657052423 has 4 divisors (see below), whose sum is σ = 657126160. Its totient is φ = 656978688.

The previous prime is 657052421. The next prime is 657052441. The reversal of 657052423 is 324250756.

657052423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 657052423 - 2¹ = 657052421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657052421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21315 + ... + 42052.

It is an arithmetic number, because the mean of its divisors is an integer number (164281540).

Almost surely, 2^657052423 is an apocalyptic number.

657052423 is a deficient number, since it is larger than the sum of its proper divisors (73737).

657052423 is a wasteful number, since it uses less digits than its factorization.

657052423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73736.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 657052423 is about 25633.0338235645. The cubic root of 657052423 is about 869.3607066388.

The spelling of 657052423 in words is "six hundred fifty-seven million, fifty-two thousand, four hundred twenty-three".