23640240127156 has 12 divisors (see below), whose sum is σ = 41598986081380. Its totient is φ = 11754815532480.

The previous prime is 23640240127061. The next prime is 23640240127201. The reversal of 23640240127156 is 65172104204632.

It can be written as a sum of positive squares in 2 ways, for example, as 4966952139556 + 18673287987600 = 2228666^2 + 4321260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16326131961 + ... + 16326133408.

Almost surely, 2^{23640240127156} is an apocalyptic number.

It is an amenable number.

23640240127156 is a deficient number, since it is larger than the sum of its proper divisors (17958745954224).

23640240127156 is a wasteful number, since it uses less digits than its factorization.

23640240127156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32652265554 (or 32652265552 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 23640240127156 in words is "twenty-three trillion, six hundred forty billion, two hundred forty million, one hundred twenty-seven thousand, one hundred fifty-six".