123886357 has 12 divisors (see below), whose sum is σ = 145006176. Its totient is φ = 105530040.

The previous prime is 123886351. The next prime is 123886369. The reversal of 123886357 is 753688321.

It is not a de Polignac number, because 123886357 - 2¹⁵ = 123853589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123886351) 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, 232 + ... + 15742.

It is an arithmetic number, because the mean of its divisors is an integer number (12083848).

Almost surely, 2^123886357 is an apocalyptic number.

It is an amenable number.

123886357 is a deficient number, since it is larger than the sum of its proper divisors (21119819).

123886357 is a wasteful number, since it uses less digits than its factorization.

123886357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688 (or 15681 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 123886357 is about 11130.4248346593. The cubic root of 123886357 is about 498.5107111081.

The spelling of 123886357 in words is "one hundred twenty-three million, eight hundred eighty-six thousand, three hundred fifty-seven".