23536042457 has 2 divisors, whose sum is σ = 23536042458. Its totient is φ = 23536042456.

The previous prime is 23536042451. The next prime is 23536042477. The reversal of 23536042457 is 75424063532.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22743957721 + 792084736 = 150811^2 + 28144^2 .

It is a cyclic number.

It is not a de Polignac number, because 23536042457 - 2¹⁸ = 23535780313 is a prime.

It is not a weakly prime, because it can be changed into another prime (23536042451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11768021228 + 11768021229.

It is an arithmetic number, because the mean of its divisors is an integer number (11768021229).

Almost surely, 2^23536042457 is an apocalyptic number.

It is an amenable number.

23536042457 is a deficient number, since it is larger than the sum of its proper divisors (1).

23536042457 is an equidigital number, since it uses as much as digits as its factorization.

23536042457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 23536042457 in words is "twenty-three billion, five hundred thirty-six million, forty-two thousand, four hundred fifty-seven".