23311000051 has 2 divisors, whose sum is σ = 23311000052. Its totient is φ = 23311000050.

The previous prime is 23311000039. The next prime is 23311000099. The reversal of 23311000051 is 15000011332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23311000051 - 2¹⁵ = 23310967283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23310999989 and 23311000034.

It is not a weakly prime, because it can be changed into another prime (23311000351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655500025 + 11655500026.

It is an arithmetic number, because the mean of its divisors is an integer number (11655500026).

Almost surely, 2^23311000051 is an apocalyptic number.

23311000051 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311000051 is an equidigital number, since it uses as much as digits as its factorization.

23311000051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 23311000051 its reverse (15000011332), we get a palindrome (38311011383).

The spelling of 23311000051 in words is "twenty-three billion, three hundred eleven million, fifty-one", and thus it is an aban number.