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23957737423 is a prime number
BaseRepresentation
bin10110010011111111…
…100000111111001111
32021211122201011100021
4112103333200333033
5343031140044143
615001145243011
71505460256654
oct262377407717
967748634307
1023957737423
11a1845777a4
124787493467
13234a61c9b9
141233b97c2b
15953443ced
hex593fe0fcf

23957737423 has 2 divisors, whose sum is σ = 23957737424. Its totient is φ = 23957737422.

The previous prime is 23957737399. The next prime is 23957737439. The reversal of 23957737423 is 32473775932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23957737423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23957737493) 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, 11978868711 + 11978868712.

It is an arithmetic number, because the mean of its divisors is an integer number (11978868712).

Almost surely, 223957737423 is an apocalyptic number.

23957737423 is a deficient number, since it is larger than the sum of its proper divisors (1).

23957737423 is an equidigital number, since it uses as much as digits as its factorization.

23957737423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 52.

The spelling of 23957737423 in words is "twenty-three billion, nine hundred fifty-seven million, seven hundred thirty-seven thousand, four hundred twenty-three".