23012431133 has 2 divisors, whose sum is σ = 23012431134. Its totient is φ = 23012431132.

The previous prime is 23012431111. The next prime is 23012431139. The reversal of 23012431133 is 33113421032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22017217924 + 995213209 = 148382^2 + 31547^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012431133 - 2⁶ = 23012431069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23012431099 and 23012431108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23012431139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506215566 + 11506215567.

It is an arithmetic number, because the mean of its divisors is an integer number (11506215567).

Almost surely, 2^23012431133 is an apocalyptic number.

It is an amenable number.

23012431133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012431133 is an equidigital number, since it uses as much as digits as its factorization.

23012431133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23012431133 its reverse (33113421032), we get a palindrome (56125852165).

The spelling of 23012431133 in words is "twenty-three billion, twelve million, four hundred thirty-one thousand, one hundred thirty-three".