23688307542202 has 4 divisors (see below), whose sum is σ = 35532461313306. Its totient is φ = 11844153771100.

The previous prime is 23688307542181. The next prime is 23688307542209. The reversal of 23688307542202 is 20224570388632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13787713138761 + 9900594403441 = 3713181^2 + 3146521^2 .

It is a super-2 number, since 2×23688307542202² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23688307542202.

It is not an unprimeable number, because it can be changed into a prime (23688307542209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5922076885549 + ... + 5922076885552.

Almost surely, 2^{23688307542202} is an apocalyptic number.

23688307542202 is a deficient number, since it is larger than the sum of its proper divisors (11844153771104).

23688307542202 is a wasteful number, since it uses less digits than its factorization.

23688307542202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11844153771103.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 23688307542202 in words is "twenty-three trillion, six hundred eighty-eight billion, three hundred seven million, five hundred forty-two thousand, two hundred two".