123340977 has 6 divisors (see below), whose sum is σ = 178159202. Its totient is φ = 82227312.

The previous prime is 123340961. The next prime is 123340979. The reversal of 123340977 is 779043321.

It can be written as a sum of positive squares in only one way, i.e., 113550336 + 9790641 = 10656^2 + 3129^2 .

It is not a de Polignac number, because 123340977 - 2⁴ = 123340961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123340979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6852268 + ... + 6852285.

Almost surely, 2^123340977 is an apocalyptic number.

It is an amenable number.

123340977 is a deficient number, since it is larger than the sum of its proper divisors (54818225).

123340977 is a wasteful number, since it uses less digits than its factorization.

123340977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704559 (or 13704556 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 123340977 is about 11105.8982977515. The cubic root of 123340977 is about 497.7781103716.

The spelling of 123340977 in words is "one hundred twenty-three million, three hundred forty thousand, nine hundred seventy-seven".