253723329 has 12 divisors (see below), whose sum is σ = 367451136. Its totient is φ = 168704952.

The previous prime is 253723303. The next prime is 253723361. The reversal of 253723329 is 923327352.

253723329 is a `hidden beast` number, since 253 + 72 + 332 + 9 = 666.

253723329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253723329 - 2¹⁵ = 253690561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253723293 and 253723302.

It is not an unprimeable number, because it can be changed into a prime (253723369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33357 + ... + 40250.

It is an arithmetic number, because the mean of its divisors is an integer number (30620928).

Almost surely, 2^253723329 is an apocalyptic number.

It is an amenable number.

253723329 is a deficient number, since it is larger than the sum of its proper divisors (113727807).

253723329 is a wasteful number, since it uses less digits than its factorization.

253723329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73996 (or 73993 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 253723329 is about 15928.6951442985. The cubic root of 253723329 is about 633.0725267482.

The spelling of 253723329 in words is "two hundred fifty-three million, seven hundred twenty-three thousand, three hundred twenty-nine".