123652131 has 4 divisors (see below), whose sum is σ = 164869512. Its totient is φ = 82434752.

The previous prime is 123652103. The next prime is 123652157. The reversal of 123652131 is 131256321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123652131 - 2⁵ = 123652099 is a prime.

It is a super-2 number, since 2×123652131² = 30579699001682322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123652181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20608686 + ... + 20608691.

It is an arithmetic number, because the mean of its divisors is an integer number (41217378).

Almost surely, 2^123652131 is an apocalyptic number.

123652131 is a deficient number, since it is larger than the sum of its proper divisors (41217381).

123652131 is an equidigital number, since it uses as much as digits as its factorization.

123652131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41217380.

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

The square root of 123652131 is about 11119.8979761507. The cubic root of 123652131 is about 498.1963427982.

The spelling of 123652131 in words is "one hundred twenty-three million, six hundred fifty-two thousand, one hundred thirty-one".