2156322326423 has 8 divisors (see below), whose sum is σ = 2158195691520. Its totient is φ = 2154449325400.

The previous prime is 2156322326399. The next prime is 2156322326461. The reversal of 2156322326423 is 3246232236512.

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

It is a cyclic number.

It is not a de Polignac number, because 2156322326423 - 2⁸ = 2156322326167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156322226423) 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, 12512186 + ... + 12683352.

It is an arithmetic number, because the mean of its divisors is an integer number (269774461440).

Almost surely, 2^{2156322326423} is an apocalyptic number.

2156322326423 is a deficient number, since it is larger than the sum of its proper divisors (1873365097).

2156322326423 is a wasteful number, since it uses less digits than its factorization.

2156322326423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182037.

The product of its digits is 622080, while the sum is 41.

The spelling of 2156322326423 in words is "two trillion, one hundred fifty-six billion, three hundred twenty-two million, three hundred twenty-six thousand, four hundred twenty-three".