23311023539 has 2 divisors, whose sum is σ = 23311023540. Its totient is φ = 23311023538.

The previous prime is 23311023521. The next prime is 23311023569. The reversal of 23311023539 is 93532011332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23311023539 - 2¹⁶ = 23310958003 is a prime.

It is not a weakly prime, because it can be changed into another prime (23311023569) 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, 11655511769 + 11655511770.

It is an arithmetic number, because the mean of its divisors is an integer number (11655511770).

Almost surely, 2^23311023539 is an apocalyptic number.

23311023539 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311023539 is an equidigital number, since it uses as much as digits as its factorization.

23311023539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The spelling of 23311023539 in words is "twenty-three billion, three hundred eleven million, twenty-three thousand, five hundred thirty-nine".