23469911987 has 2 divisors, whose sum is σ = 23469911988. Its totient is φ = 23469911986.

The previous prime is 23469911953. The next prime is 23469912079. The reversal of 23469911987 is 78911996432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23469911987 - 2¹⁸ = 23469649843 is a prime.

It is not a weakly prime, because it can be changed into another prime (23469911287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11734955993 + 11734955994.

It is an arithmetic number, because the mean of its divisors is an integer number (11734955994).

Almost surely, 2^23469911987 is an apocalyptic number.

23469911987 is a deficient number, since it is larger than the sum of its proper divisors (1).

23469911987 is an equidigital number, since it uses as much as digits as its factorization.

23469911987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 59.

The spelling of 23469911987 in words is "twenty-three billion, four hundred sixty-nine million, nine hundred eleven thousand, nine hundred eighty-seven".