724942023 has 16 divisors (see below), whose sum is σ = 1043370720. Its totient is φ = 445077504.

The previous prime is 724942007. The next prime is 724942051. The reversal of 724942023 is 320249427.

It is not a de Polignac number, because 724942023 - 2⁴ = 724942007 is a prime.

It is a super-2 number, since 2×724942023² = 1051081873422665058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724942063) 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, 4578 + ... + 38351.

It is an arithmetic number, because the mean of its divisors is an integer number (65210670).

Almost surely, 2^724942023 is an apocalyptic number.

724942023 is a deficient number, since it is larger than the sum of its proper divisors (318428697).

724942023 is a wasteful number, since it uses less digits than its factorization.

724942023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43378.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 724942023 is about 26924.7474082859. The cubic root of 724942023 is about 898.3269424093.

The spelling of 724942023 in words is "seven hundred twenty-four million, nine hundred forty-two thousand, twenty-three".