123683997 has 16 divisors (see below), whose sum is σ = 166537280. Its totient is φ = 81648000.

The previous prime is 123683971. The next prime is 123684013. The reversal of 123683997 is 799386321.

It is not a de Polignac number, because 123683997 - 2¹⁶ = 123618461 is a prime.

It is a super-2 number, since 2×123683997² = 30595462227792018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123683957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205497 + ... + 206097.

It is an arithmetic number, because the mean of its divisors is an integer number (10408580).

Almost surely, 2^123683997 is an apocalyptic number.

It is an amenable number.

123683997 is a deficient number, since it is larger than the sum of its proper divisors (42853283).

123683997 is a wasteful number, since it uses less digits than its factorization.

123683997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164.

The product of its digits is 489888, while the sum is 48.

The square root of 123683997 is about 11121.3307207366. The cubic root of 123683997 is about 498.2391353243.

The spelling of 123683997 in words is "one hundred twenty-three million, six hundred eighty-three thousand, nine hundred ninety-seven".