23120511983 has 2 divisors, whose sum is σ = 23120511984. Its totient is φ = 23120511982.

The previous prime is 23120511949. The next prime is 23120512021. The reversal of 23120511983 is 38911502132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23120511983 - 2⁶ = 23120511919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23120511943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560255991 + 11560255992.

It is an arithmetic number, because the mean of its divisors is an integer number (11560255992).

Almost surely, 2^23120511983 is an apocalyptic number.

23120511983 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120511983 is an equidigital number, since it uses as much as digits as its factorization.

23120511983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 23120511983 in words is "twenty-three billion, one hundred twenty million, five hundred eleven thousand, nine hundred eighty-three".