123494427 has 48 divisors (see below), whose sum is σ = 210263040. Its totient is φ = 68386176.

The previous prime is 123494389. The next prime is 123494447. The reversal of 123494427 is 724494321.

123494427 is a `hidden beast` number, since 123 + 494 + 42 + 7 = 666.

It is not a de Polignac number, because 123494427 - 2⁷ = 123494299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123494391 and 123494400.

It is not an unprimeable number, because it can be changed into a prime (123494447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529903 + ... + 530135.

It is an arithmetic number, because the mean of its divisors is an integer number (4380480).

Almost surely, 2^123494427 is an apocalyptic number.

123494427 is a deficient number, since it is larger than the sum of its proper divisors (86768613).

123494427 is a wasteful number, since it uses less digits than its factorization.

123494427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 469 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 123494427 is about 11112.8046414935. The cubic root of 123494427 is about 497.9844554107.

The spelling of 123494427 in words is "one hundred twenty-three million, four hundred ninety-four thousand, four hundred twenty-seven".