2156316423373 has 8 divisors (see below), whose sum is σ = 2549339614080. Its totient is φ = 1784537729520.

The previous prime is 2156316423307. The next prime is 2156316423383. The reversal of 2156316423373 is 3733246136512.

It is a happy number.

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

It is not a de Polignac number, because 2156316423373 - 2³³ = 2147726488781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156316423383) 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, 5311123993 + ... + 5311124398.

It is an arithmetic number, because the mean of its divisors is an integer number (318667451760).

Almost surely, 2^{2156316423373} is an apocalyptic number.

It is an amenable number.

2156316423373 is a deficient number, since it is larger than the sum of its proper divisors (393023190707).

2156316423373 is a wasteful number, since it uses less digits than its factorization.

2156316423373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10622248427.

The product of its digits is 1632960, while the sum is 46.

The spelling of 2156316423373 in words is "two trillion, one hundred fifty-six billion, three hundred sixteen million, four hundred twenty-three thousand, three hundred seventy-three".