23404352887 has 2 divisors, whose sum is σ = 23404352888. Its totient is φ = 23404352886.

The previous prime is 23404352869. The next prime is 23404352927. The reversal of 23404352887 is 78825340432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23404352887 - 2¹¹ = 23404350839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23404352287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11702176443 + 11702176444.

It is an arithmetic number, because the mean of its divisors is an integer number (11702176444).

Almost surely, 2^23404352887 is an apocalyptic number.

23404352887 is a deficient number, since it is larger than the sum of its proper divisors (1).

23404352887 is an equidigital number, since it uses as much as digits as its factorization.

23404352887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 23404352887 in words is "twenty-three billion, four hundred four million, three hundred fifty-two thousand, eight hundred eighty-seven".