123957683 has 4 divisors (see below), whose sum is σ = 124061088. Its totient is φ = 123854280.

The previous prime is 123957677. The next prime is 123957731. The reversal of 123957683 is 386759321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386759321 = 13 ⋅29750717.

It is a cyclic number.

It is not a de Polignac number, because 123957683 - 2¹⁴ = 123941299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123957983) 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, 49883 + ... + 52308.

It is an arithmetic number, because the mean of its divisors is an integer number (31015272).

Almost surely, 2^123957683 is an apocalyptic number.

123957683 is a deficient number, since it is larger than the sum of its proper divisors (103405).

123957683 is a wasteful number, since it uses less digits than its factorization.

123957683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103404.

The product of its digits is 272160, while the sum is 44.

The square root of 123957683 is about 11133.6284741319. The cubic root of 123957683 is about 498.6063631617.

The spelling of 123957683 in words is "one hundred twenty-three million, nine hundred fifty-seven thousand, six hundred eighty-three".