2023312040 has 32 divisors (see below), whose sum is σ = 4558411080. Its totient is φ = 808265472.

The previous prime is 2023312021. The next prime is 2023312097. The reversal of 2023312040 is 402133202.

It can be written as a sum of positive squares in 4 ways, for example, as 986085604 + 1037226436 = 31402^2 + 32206^2 .

It is a super-2 number, since 2×2023312040² = 8187583222417923200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799 + ... + 63638.

Almost surely, 2^2023312040 is an apocalyptic number.

2023312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023312040 is an abundant number, since it is smaller than the sum of its proper divisors (2535099040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023312040 is a wasteful number, since it uses less digits than its factorization.

2023312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66221 (or 66217 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2023312040 is about 44981.2409788792. The cubic root of 2023312040 is about 1264.7973741601.

Adding to 2023312040 its reverse (402133202), we get a palindrome (2425445242).

The spelling of 2023312040 in words is "two billion, twenty-three million, three hundred twelve thousand, forty".