321268515423 has 16 divisors (see below), whose sum is σ = 435297125760. Its totient is φ = 210717482976.

The previous prime is 321268515367. The next prime is 321268515431. The reversal of 321268515423 is 324515862123.

It is not a de Polignac number, because 321268515423 - 2¹⁸ = 321268253279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321268515493) 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, 842533 + ... + 1162926.

It is an arithmetic number, because the mean of its divisors is an integer number (27206070360).

Almost surely, 2^321268515423 is an apocalyptic number.

321268515423 is a deficient number, since it is larger than the sum of its proper divisors (114028610337).

321268515423 is a wasteful number, since it uses less digits than its factorization.

321268515423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006326.

The product of its digits is 345600, while the sum is 42.

The spelling of 321268515423 in words is "three hundred twenty-one billion, two hundred sixty-eight million, five hundred fifteen thousand, four hundred twenty-three".