657268323 has 16 divisors (see below), whose sum is σ = 888260736. Its totient is φ = 432267840.

The previous prime is 657268303. The next prime is 657268343. The reversal of 657268323 is 323862756.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (657268303) and next prime (657268343).

It is not a de Polignac number, because 657268323 - 2⁵ = 657268291 is a prime.

It is a super-3 number, since 3×657268323³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (657268303) 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, 62088 + ... + 71898.

It is an arithmetic number, because the mean of its divisors is an integer number (55516296).

Almost surely, 2^657268323 is an apocalyptic number.

657268323 is a deficient number, since it is larger than the sum of its proper divisors (230992413).

657268323 is a wasteful number, since it uses less digits than its factorization.

657268323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114.

The product of its digits is 362880, while the sum is 42.

The square root of 657268323 is about 25637.2448402710. The cubic root of 657268323 is about 869.4559169120.

The spelling of 657268323 in words is "six hundred fifty-seven million, two hundred sixty-eight thousand, three hundred twenty-three".