23031021967 has 2 divisors, whose sum is σ = 23031021968. Its totient is φ = 23031021966.

The previous prime is 23031021953. The next prime is 23031022039. The reversal of 23031021967 is 76912013032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23031021967 - 2¹⁵ = 23030989199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031021907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515510983 + 11515510984.

It is an arithmetic number, because the mean of its divisors is an integer number (11515510984).

Almost surely, 2^23031021967 is an apocalyptic number.

23031021967 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031021967 is an equidigital number, since it uses as much as digits as its factorization.

23031021967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

Adding to 23031021967 its reverse (76912013032), we get a palindrome (99943034999).

The spelling of 23031021967 in words is "twenty-three billion, thirty-one million, twenty-one thousand, nine hundred sixty-seven".