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23011012049 is a prime number
BaseRepresentation
bin10101011011100100…
…000010110111010001
32012101200021112021112
4111123210002313101
5334111304341144
614323205503105
71443143242454
oct253344026721
965350245245
1023011012049
119839130a33
124562411a95
13222944657c
14118415749b
158ea28799e
hex55b902dd1

23011012049 has 2 divisors, whose sum is σ = 23011012050. Its totient is φ = 23011012048.

The previous prime is 23011011971. The next prime is 23011012091. The reversal of 23011012049 is 94021011032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21357776449 + 1653235600 = 146143^2 + 40660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23011012049 is a prime.

It is a super-3 number, since 3×230110120493 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23011012649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505506024 + 11505506025.

It is an arithmetic number, because the mean of its divisors is an integer number (11505506025).

Almost surely, 223011012049 is an apocalyptic number.

It is an amenable number.

23011012049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011012049 is an equidigital number, since it uses as much as digits as its factorization.

23011012049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 23011012049 in words is "twenty-three billion, eleven million, twelve thousand, forty-nine".