253965123 has 6 divisors (see below), whose sum is σ = 366838524. Its totient is φ = 169310076.

The previous prime is 253965119. The next prime is 253965137. The reversal of 253965123 is 321569352.

253965123 is a `hidden beast` number, since 2 + 53 + 96 + 512 + 3 = 666.

253965123 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 253965123 - 2² = 253965119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253965623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14109165 + ... + 14109182.

It is an arithmetic number, because the mean of its divisors is an integer number (61139754).

Almost surely, 2^253965123 is an apocalyptic number.

253965123 is a deficient number, since it is larger than the sum of its proper divisors (112873401).

253965123 is a wasteful number, since it uses less digits than its factorization.

253965123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28218353 (or 28218350 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 253965123 is about 15936.2832241398. The cubic root of 253965123 is about 633.2735653355.

The spelling of 253965123 in words is "two hundred fifty-three million, nine hundred sixty-five thousand, one hundred twenty-three".