23989787039 has 2 divisors, whose sum is σ = 23989787040. Its totient is φ = 23989787038.

The previous prime is 23989787027. The next prime is 23989787071. The reversal of 23989787039 is 93078798932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23989787039 - 2²⁸ = 23721351583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23989787009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11994893519 + 11994893520.

It is an arithmetic number, because the mean of its divisors is an integer number (11994893520).

Almost surely, 2^23989787039 is an apocalyptic number.

23989787039 is a deficient number, since it is larger than the sum of its proper divisors (1).

23989787039 is an equidigital number, since it uses as much as digits as its factorization.

23989787039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41150592, while the sum is 65.

The spelling of 23989787039 in words is "twenty-three billion, nine hundred eighty-nine million, seven hundred eighty-seven thousand, thirty-nine".