23364400646456 has 8 divisors (see below), whose sum is σ = 43808251212120. Its totient is φ = 11682200323224.

The previous prime is 23364400646449. The next prime is 23364400646471. The reversal of 23364400646456 is 65464600446332.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×23364400646456² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23364400646398 and 23364400646407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460275040396 + ... + 1460275040411.

It is an arithmetic number, because the mean of its divisors is an integer number (5476031401515).

Almost surely, 2^{23364400646456} is an apocalyptic number.

It is an amenable number.

23364400646456 is a deficient number, since it is larger than the sum of its proper divisors (20443850565664).

23364400646456 is a wasteful number, since it uses less digits than its factorization.

23364400646456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920550080813 (or 2920550080809 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 53.

The spelling of 23364400646456 in words is "twenty-three trillion, three hundred sixty-four billion, four hundred million, six hundred forty-six thousand, four hundred fifty-six".