23152312012405 has 8 divisors (see below), whose sum is σ = 29245025700000. Its totient is φ = 17547015419856.

The previous prime is 23152312012399. The next prime is 23152312012409. The reversal of 23152312012405 is 50421021325132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23152312012405 - 2³ = 23152312012397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152312012409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121854273655 + ... + 121854273844.

It is an arithmetic number, because the mean of its divisors is an integer number (3655628212500).

Almost surely, 2^{23152312012405} is an apocalyptic number.

It is an amenable number.

23152312012405 is a deficient number, since it is larger than the sum of its proper divisors (6092713687595).

23152312012405 is a wasteful number, since it uses less digits than its factorization.

23152312012405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243708547523.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 23152312012405 its reverse (50421021325132), we get a palindrome (73573333337537).

The spelling of 23152312012405 in words is "twenty-three trillion, one hundred fifty-two billion, three hundred twelve million, twelve thousand, four hundred five".