123110253 has 32 divisors (see below), whose sum is σ = 219417600. Its totient is φ = 66644208.

The previous prime is 123110233. The next prime is 123110257. The reversal of 123110253 is 352011321.

It is not a de Polignac number, because 123110253 - 2⁶ = 123110189 is a prime.

It is a super-2 number, since 2×123110253² = 30312268787448018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123110257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13551 + ... + 20732.

It is an arithmetic number, because the mean of its divisors is an integer number (6856800).

Almost surely, 2^123110253 is an apocalyptic number.

It is an amenable number.

123110253 is a deficient number, since it is larger than the sum of its proper divisors (96307347).

123110253 is a wasteful number, since it uses less digits than its factorization.

123110253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34318 (or 34312 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 123110253 is about 11095.5059821533. The cubic root of 123110253 is about 497.4675322027.

Adding to 123110253 its reverse (352011321), we get a palindrome (475121574).

The spelling of 123110253 in words is "one hundred twenty-three million, one hundred ten thousand, two hundred fifty-three".