23406220153215 has 48 divisors (see below), whose sum is σ = 40679437787040. Its totient is φ = 12449898961920.

The previous prime is 23406220153213. The next prime is 23406220153219. The reversal of 23406220153215 is 51235102260432.

23406220153215 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 622 + 0 + 1 + 5 + 3 + 21 + 5 = 666.

It is not a de Polignac number, because 23406220153215 - 2¹ = 23406220153213 is a prime.

It is a super-2 number, since 2×23406220153215² (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 23406220153215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406220153213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80155275 + ... + 80446755.

It is an arithmetic number, because the mean of its divisors is an integer number (847488287230).

Almost surely, 2^{23406220153215} is an apocalyptic number.

23406220153215 is a deficient number, since it is larger than the sum of its proper divisors (17273217633825).

23406220153215 is a wasteful number, since it uses less digits than its factorization.

23406220153215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296264 (or 296261 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 23406220153215 in words is "twenty-three trillion, four hundred six billion, two hundred twenty million, one hundred fifty-three thousand, two hundred fifteen".