23990351039 has 2 divisors, whose sum is σ = 23990351040. Its totient is φ = 23990351038.

The previous prime is 23990351029. The next prime is 23990351069. The reversal of 23990351039 is 93015309932.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23990351039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23990351029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11995175519 + 11995175520.

It is an arithmetic number, because the mean of its divisors is an integer number (11995175520).

Almost surely, 2^23990351039 is an apocalyptic number.

23990351039 is a deficient number, since it is larger than the sum of its proper divisors (1).

23990351039 is an equidigital number, since it uses as much as digits as its factorization.

23990351039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 44.

The spelling of 23990351039 in words is "twenty-three billion, nine hundred ninety million, three hundred fifty-one thousand, thirty-nine".