123612153 has 24 divisors (see below), whose sum is σ = 196915392. Its totient is φ = 68723424.

The previous prime is 123612127. The next prime is 123612179. The reversal of 123612153 is 351216321.

It is an interprime number because it is at equal distance from previous prime (123612127) and next prime (123612179).

It is not a de Polignac number, because 123612153 - 2⁵ = 123612121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123612103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5925 + ... + 16802.

It is an arithmetic number, because the mean of its divisors is an integer number (8204808).

Almost surely, 2^123612153 is an apocalyptic number.

It is an amenable number.

123612153 is a deficient number, since it is larger than the sum of its proper divisors (73303239).

123612153 is a wasteful number, since it uses less digits than its factorization.

123612153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22781 (or 22774 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 123612153 is about 11118.1002423975. The cubic root of 123612153 is about 498.1426463514.

Adding to 123612153 its reverse (351216321), we get a palindrome (474828474).

The spelling of 123612153 in words is "one hundred twenty-three million, six hundred twelve thousand, one hundred fifty-three".