23202013987 has 2 divisors, whose sum is σ = 23202013988. Its totient is φ = 23202013986.

The previous prime is 23202013981. The next prime is 23202014029. The reversal of 23202013987 is 78931020232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23202013987 - 2³ = 23202013979 is a prime.

It is not a weakly prime, because it can be changed into another prime (23202013981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601006993 + 11601006994.

It is an arithmetic number, because the mean of its divisors is an integer number (11601006994).

Almost surely, 2^23202013987 is an apocalyptic number.

23202013987 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202013987 is an equidigital number, since it uses as much as digits as its factorization.

23202013987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 23202013987 in words is "twenty-three billion, two hundred two million, thirteen thousand, nine hundred eighty-seven".