123932086 has 4 divisors (see below), whose sum is σ = 185898132. Its totient is φ = 61966042.

The previous prime is 123932071. The next prime is 123932089. The reversal of 123932086 is 680239321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680239321 = 113 ⋅6019817.

It is a super-2 number, since 2×123932086² = 30718323880622792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123932089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30983020 + ... + 30983023.

It is an arithmetic number, because the mean of its divisors is an integer number (46474533).

Almost surely, 2^123932086 is an apocalyptic number.

123932086 is a deficient number, since it is larger than the sum of its proper divisors (61966046).

123932086 is an equidigital number, since it uses as much as digits as its factorization.

123932086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61966045.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 123932086 is about 11132.4788793871. The cubic root of 123932086 is about 498.5720404118.

The spelling of 123932086 in words is "one hundred twenty-three million, nine hundred thirty-two thousand, eighty-six".