655454023 has 24 divisors (see below), whose sum is σ = 830403072. Its totient is φ = 505743744.

The previous prime is 655453999. The next prime is 655454029. The reversal of 655454023 is 320454556.

It is not a de Polignac number, because 655454023 - 2⁵ = 655453991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655454023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655454029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39486 + ... + 53572.

It is an arithmetic number, because the mean of its divisors is an integer number (34600128).

Almost surely, 2^655454023 is an apocalyptic number.

655454023 is a deficient number, since it is larger than the sum of its proper divisors (174949049).

655454023 is a wasteful number, since it uses less digits than its factorization.

655454023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151 (or 14134 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 655454023 is about 25601.8363208579. The cubic root of 655454023 is about 868.6551746612.

The spelling of 655454023 in words is "six hundred fifty-five million, four hundred fifty-four thousand, twenty-three".