23405515213316 has 48 divisors (see below), whose sum is σ = 43472523580416. Its totient is φ = 10988083206144.

The previous prime is 23405515213247. The next prime is 23405515213319. The reversal of 23405515213316 is 61331251550432.

It is not an unprimeable number, because it can be changed into a prime (23405515213319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561976805 + ... + 562018451.

It is an arithmetic number, because the mean of its divisors is an integer number (905677574592).

Almost surely, 2^{23405515213316} is an apocalyptic number.

It is an amenable number.

23405515213316 is a deficient number, since it is larger than the sum of its proper divisors (20067008367100).

23405515213316 is a wasteful number, since it uses less digits than its factorization.

23405515213316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61188 (or 61186 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 23405515213316 its reverse (61331251550432), we get a palindrome (84736766763748).

The spelling of 23405515213316 in words is "twenty-three trillion, four hundred five billion, five hundred fifteen million, two hundred thirteen thousand, three hundred sixteen".