253206123 has 8 divisors (see below), whose sum is σ = 340267008. Its totient is φ = 167474664.

The previous prime is 253206113. The next prime is 253206127. The reversal of 253206123 is 321602352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253206123 - 2⁸ = 253205867 is a prime.

It is a super-2 number, since 2×253206123² = 128226681449382258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253206093 and 253206102.

It is not an unprimeable number, because it can be changed into a prime (253206127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331911 + ... + 332672.

It is an arithmetic number, because the mean of its divisors is an integer number (42533376).

Almost surely, 2^253206123 is an apocalyptic number.

253206123 is a deficient number, since it is larger than the sum of its proper divisors (87060885).

253206123 is a wasteful number, since it uses less digits than its factorization.

253206123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664713.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 253206123 is about 15912.4518223937. The cubic root of 253206123 is about 632.6420688331.

Adding to 253206123 its reverse (321602352), we get a palindrome (574808475).

The spelling of 253206123 in words is "two hundred fifty-three million, two hundred six thousand, one hundred twenty-three".