123040394 has 8 divisors (see below), whose sum is σ = 186014208. Its totient is φ = 61035660.

The previous prime is 123040343. The next prime is 123040403. The reversal of 123040394 is 493040321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241952 + ... + 242459.

It is an arithmetic number, because the mean of its divisors is an integer number (23251776).

Almost surely, 2^123040394 is an apocalyptic number.

123040394 is a deficient number, since it is larger than the sum of its proper divisors (62973814).

123040394 is a wasteful number, since it uses less digits than its factorization.

123040394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484540.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 123040394 is about 11092.3574590797. The cubic root of 123040394 is about 497.3734182979.

The spelling of 123040394 in words is "one hundred twenty-three million, forty thousand, three hundred ninety-four".