123182957 has 2 divisors, whose sum is σ = 123182958. Its totient is φ = 123182956.

The previous prime is 123182903. The next prime is 123183007. The reversal of 123182957 is 759281321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72403081 + 50779876 = 8509^2 + 7126^2 .

It is a cyclic number.

It is not a de Polignac number, because 123182957 - 2²⁰ = 122134381 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123182957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123182557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61591478 + 61591479.

It is an arithmetic number, because the mean of its divisors is an integer number (61591479).

Almost surely, 2^123182957 is an apocalyptic number.

It is an amenable number.

123182957 is a deficient number, since it is larger than the sum of its proper divisors (1).

123182957 is an equidigital number, since it uses as much as digits as its factorization.

123182957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 123182957 is about 11098.7817799973. The cubic root of 123182957 is about 497.5654410855.

The spelling of 123182957 in words is "one hundred twenty-three million, one hundred eighty-two thousand, nine hundred fifty-seven".