23402405087 has 2 divisors, whose sum is σ = 23402405088. Its totient is φ = 23402405086.

The previous prime is 23402405063. The next prime is 23402405141. The reversal of 23402405087 is 78050420432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23402405087 - 2¹⁸ = 23402142943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23402404087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701202543 + 11701202544.

It is an arithmetic number, because the mean of its divisors is an integer number (11701202544).

Almost surely, 2^23402405087 is an apocalyptic number.

23402405087 is a deficient number, since it is larger than the sum of its proper divisors (1).

23402405087 is an equidigital number, since it uses as much as digits as its factorization.

23402405087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 23402405087 in words is "twenty-three billion, four hundred two million, four hundred five thousand, eighty-seven".