2045440315323 has 12 divisors (see below), whose sum is σ = 3017387132448. Its totient is φ = 1334613538800.

The previous prime is 2045440315307. The next prime is 2045440315393. The reversal of 2045440315323 is 3235130445402.

2045440315323 is a `hidden beast` number, since 2 + 0 + 4 + 54 + 40 + 31 + 532 + 3 = 666.

It is not a de Polignac number, because 2045440315323 - 2⁴ = 2045440315307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045440315393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2417777728 + ... + 2417778573.

It is an arithmetic number, because the mean of its divisors is an integer number (251448927704).

Almost surely, 2^{2045440315323} is an apocalyptic number.

2045440315323 is a deficient number, since it is larger than the sum of its proper divisors (971946817125).

2045440315323 is a wasteful number, since it uses less digits than its factorization.

2045440315323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835556354 (or 4835556351 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 2045440315323 in words is "two trillion, forty-five billion, four hundred forty million, three hundred fifteen thousand, three hundred twenty-three".