253659323 has 4 divisors (see below), whose sum is σ = 253780488. Its totient is φ = 253538160.

The previous prime is 253659319. The next prime is 253659331. The reversal of 253659323 is 323956352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253659323 - 2² = 253659319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253659353) 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, 57386 + ... + 61647.

It is an arithmetic number, because the mean of its divisors is an integer number (63445122).

Almost surely, 2^253659323 is an apocalyptic number.

253659323 is a deficient number, since it is larger than the sum of its proper divisors (121165).

253659323 is a wasteful number, since it uses less digits than its factorization.

253659323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121164.

The product of its digits is 145800, while the sum is 38.

The square root of 253659323 is about 15926.6858762267. The cubic root of 253659323 is about 633.0192878546.

The spelling of 253659323 in words is "two hundred fifty-three million, six hundred fifty-nine thousand, three hundred twenty-three".