123930734 has 4 divisors (see below), whose sum is σ = 185896104. Its totient is φ = 61965366.

The previous prime is 123930727. The next prime is 123930743. The reversal of 123930734 is 437039321.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123930734.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30982682 + ... + 30982685.

It is an arithmetic number, because the mean of its divisors is an integer number (46474026).

Almost surely, 2^123930734 is an apocalyptic number.

123930734 is a deficient number, since it is larger than the sum of its proper divisors (61965370).

123930734 is an equidigital number, since it uses as much as digits as its factorization.

123930734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61965369.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 123930734 is about 11132.4181559983. The cubic root of 123930734 is about 498.5702273977.

The spelling of 123930734 in words is "one hundred twenty-three million, nine hundred thirty thousand, seven hundred thirty-four".