23105531233 has 2 divisors, whose sum is σ = 23105531234. Its totient is φ = 23105531232.

The previous prime is 23105531221. The next prime is 23105531297. The reversal of 23105531233 is 33213550132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22968008704 + 137522529 = 151552^2 + 11727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23105531233 is a prime.

It is not a weakly prime, because it can be changed into another prime (23105531333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552765616 + 11552765617.

It is an arithmetic number, because the mean of its divisors is an integer number (11552765617).

Almost surely, 2^23105531233 is an apocalyptic number.

It is an amenable number.

23105531233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23105531233 is an equidigital number, since it uses as much as digits as its factorization.

23105531233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 28.

The spelling of 23105531233 in words is "twenty-three billion, one hundred five million, five hundred thirty-one thousand, two hundred thirty-three".