23145403297 has 2 divisors, whose sum is σ = 23145403298. Its totient is φ = 23145403296.

The previous prime is 23145403247. The next prime is 23145403339. The reversal of 23145403297 is 79230454132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14548219456 + 8597183841 = 120616^2 + 92721^2 .

It is a cyclic number.

It is not a de Polignac number, because 23145403297 - 2²³ = 23137014689 is a prime.

It is not a weakly prime, because it can be changed into another prime (23145403247) 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, 11572701648 + 11572701649.

It is an arithmetic number, because the mean of its divisors is an integer number (11572701649).

Almost surely, 2^23145403297 is an apocalyptic number.

It is an amenable number.

23145403297 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145403297 is an equidigital number, since it uses as much as digits as its factorization.

23145403297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 23145403297 in words is "twenty-three billion, one hundred forty-five million, four hundred three thousand, two hundred ninety-seven".