18223257317163 has 32 divisors (see below), whose sum is σ = 24418039429632. Its totient is φ = 12088840896000.

The previous prime is 18223257317143. The next prime is 18223257317191. The reversal of 18223257317163 is 36171375232281.

It is not a de Polignac number, because 18223257317163 - 2²⁸ = 18222988881707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18223257317143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 892980306 + ... + 893000712.

It is an arithmetic number, because the mean of its divisors is an integer number (763063732176).

Almost surely, 2^{18223257317163} is an apocalyptic number.

18223257317163 is a deficient number, since it is larger than the sum of its proper divisors (6194782112469).

18223257317163 is a wasteful number, since it uses less digits than its factorization.

18223257317163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22595.

The product of its digits is 2540160, while the sum is 51.

The spelling of 18223257317163 in words is "eighteen trillion, two hundred twenty-three billion, two hundred fifty-seven million, three hundred seventeen thousand, one hundred sixty-three".