240564023 has 12 divisors (see below), whose sum is σ = 276721200. Its totient is φ = 204863040.

The previous prime is 240564011. The next prime is 240564029. The reversal of 240564023 is 320465042.

It is not a de Polignac number, because 240564023 - 2¹⁶ = 240498487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240563983 and 240564001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240564029) 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, 228803 + ... + 229851.

It is an arithmetic number, because the mean of its divisors is an integer number (23060100).

Almost surely, 2^240564023 is an apocalyptic number.

240564023 is a deficient number, since it is larger than the sum of its proper divisors (36157177).

240564023 is an equidigital number, since it uses as much as digits as its factorization.

240564023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 240564023 is about 15510.1264662800. The cubic root of 240564023 is about 621.9329399413.

The spelling of 240564023 in words is "two hundred forty million, five hundred sixty-four thousand, twenty-three".