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23840467409413 is a prime number
BaseRepresentation
bin1010110101110110010101…
…00101110101101000000101
310010102010102011102220202201
411122323022211311220011
511111100234124100123
6122412054243034501
75010263002260334
oct532731245655005
9103363364386681
1023840467409413
11766175a373116
12281053836ba31
13103c1b9926775
145c5c55b97d1b
152b522a4305ad
hex15aeca975a05

23840467409413 has 2 divisors, whose sum is σ = 23840467409414. Its totient is φ = 23840467409412.

The previous prime is 23840467409393. The next prime is 23840467409431. The reversal of 23840467409413 is 31490476404832.

Together with next prime (23840467409431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22050603381249 + 1789864028164 = 4695807^2 + 1337858^2 .

It is a cyclic number.

It is not a de Polignac number, because 23840467409413 - 225 = 23840433854981 is a prime.

It is a super-2 number, since 2×238404674094132 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23840467409483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11920233704706 + 11920233704707.

It is an arithmetic number, because the mean of its divisors is an integer number (11920233704707).

Almost surely, 223840467409413 is an apocalyptic number.

It is an amenable number.

23840467409413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23840467409413 is an equidigital number, since it uses as much as digits as its factorization.

23840467409413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 55.

The spelling of 23840467409413 in words is "twenty-three trillion, eight hundred forty billion, four hundred sixty-seven million, four hundred nine thousand, four hundred thirteen".