123674391 has 8 divisors (see below), whose sum is σ = 183221360. Its totient is φ = 82449576.

The previous prime is 123674359. The next prime is 123674393. The reversal of 123674391 is 193476321.

It is not a de Polignac number, because 123674391 - 2⁵ = 123674359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123674393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290240 + ... + 2290293.

It is an arithmetic number, because the mean of its divisors is an integer number (22902670).

Almost surely, 2^123674391 is an apocalyptic number.

123674391 is a deficient number, since it is larger than the sum of its proper divisors (59546969).

123674391 is an equidigital number, since it uses as much as digits as its factorization.

123674391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580542 (or 4580536 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 123674391 is about 11120.8988395723. The cubic root of 123674391 is about 498.2262362989.

The spelling of 123674391 in words is "one hundred twenty-three million, six hundred seventy-four thousand, three hundred ninety-one".