23402404087 has 2 divisors, whose sum is σ = 23402404088. Its totient is φ = 23402404086.

The previous prime is 23402404061. The next prime is 23402404111. The reversal of 23402404087 is 78040420432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23402404087 - 2¹⁵ = 23402371319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23402404007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701202043 + 11701202044.

It is an arithmetic number, because the mean of its divisors is an integer number (11701202044).

Almost surely, 2^23402404087 is an apocalyptic number.

23402404087 is a deficient number, since it is larger than the sum of its proper divisors (1).

23402404087 is an equidigital number, since it uses as much as digits as its factorization.

23402404087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 23402404087 in words is "twenty-three billion, four hundred two million, four hundred four thousand, eighty-seven".