312023045 has 16 divisors (see below), whose sum is σ = 377654400. Its totient is φ = 247477824.

The previous prime is 312023027. The next prime is 312023051. The reversal of 312023045 is 540320213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312023045 - 2¹⁶ = 311957509 is a prime.

It is a super-2 number, since 2×312023045² = 194716761222144050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553934 + ... + 554496.

It is an arithmetic number, because the mean of its divisors is an integer number (23603400).

Almost surely, 2^312023045 is an apocalyptic number.

It is an amenable number.

312023045 is a deficient number, since it is larger than the sum of its proper divisors (65631355).

312023045 is a wasteful number, since it uses less digits than its factorization.

312023045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 312023045 is about 17664.1740537167. The cubic root of 312023045 is about 678.2589870096.

Adding to 312023045 its reverse (540320213), we get a palindrome (852343258).

The spelling of 312023045 in words is "three hundred twelve million, twenty-three thousand, forty-five".