123652157 has 2 divisors, whose sum is σ = 123652158. Its totient is φ = 123652156.

The previous prime is 123652103. The next prime is 123652181. The reversal of 123652157 is 751256321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121308196 + 2343961 = 11014^2 + 1531^2 .

It is an emirp because it is prime and its reverse (751256321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123652157 - 2⁶ = 123652093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123652357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61826078 + 61826079.

It is an arithmetic number, because the mean of its divisors is an integer number (61826079).

Almost surely, 2^123652157 is an apocalyptic number.

It is an amenable number.

123652157 is a deficient number, since it is larger than the sum of its proper divisors (1).

123652157 is an equidigital number, since it uses as much as digits as its factorization.

123652157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 123652157 is about 11119.8991452261. The cubic root of 123652157 is about 498.1963777164.

The spelling of 123652157 in words is "one hundred twenty-three million, six hundred fifty-two thousand, one hundred fifty-seven".