123113151 has 12 divisors (see below), whose sum is σ = 203234512. Its totient is φ = 70350336.

The previous prime is 123113147. The next prime is 123113197. The reversal of 123113151 is 151311321.

It is not a de Polignac number, because 123113151 - 2² = 123113147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977026 + ... + 977151.

Almost surely, 2^123113151 is an apocalyptic number.

123113151 is a deficient number, since it is larger than the sum of its proper divisors (80121361).

123113151 is a wasteful number, since it uses less digits than its factorization.

123113151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954190 (or 1954187 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 123113151 is about 11095.6365747982. The cubic root of 123113151 is about 497.4714356133.

Adding to 123113151 its reverse (151311321), we get a palindrome (274424472).

The spelling of 123113151 in words is "one hundred twenty-three million, one hundred thirteen thousand, one hundred fifty-one".