253123312 has 20 divisors (see below), whose sum is σ = 528151960. Its totient is φ = 116826048.

The previous prime is 253123291. The next prime is 253123333. The reversal of 253123312 is 213321352.

It is an interprime number because it is at equal distance from previous prime (253123291) and next prime (253123333).

It is a super-2 number, since 2×253123312² = 128142822155698688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608262 + ... + 608677.

It is an arithmetic number, because the mean of its divisors is an integer number (26407598).

Almost surely, 2^253123312 is an apocalyptic number.

It is an amenable number.

253123312 is an abundant number, since it is smaller than the sum of its proper divisors (275028648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253123312 is a wasteful number, since it uses less digits than its factorization.

253123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216960 (or 1216954 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 253123312 is about 15909.8495278868. The cubic root of 253123312 is about 632.5730928356.

Adding to 253123312 its reverse (213321352), we get a palindrome (466444664).

The spelling of 253123312 in words is "two hundred fifty-three million, one hundred twenty-three thousand, three hundred twelve".