323725406 has 4 divisors (see below), whose sum is σ = 485588112. Its totient is φ = 161862702.

The previous prime is 323725399. The next prime is 323725429. The reversal of 323725406 is 604527323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604527323 = 2473 ⋅244451.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80931350 + ... + 80931353.

It is an arithmetic number, because the mean of its divisors is an integer number (121397028).

Almost surely, 2^323725406 is an apocalyptic number.

323725406 is a deficient number, since it is larger than the sum of its proper divisors (161862706).

323725406 is a wasteful number, since it uses less digits than its factorization.

323725406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161862705.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 323725406 is about 17992.3707720800. The cubic root of 323725406 is about 686.6344588008.

The spelling of 323725406 in words is "three hundred twenty-three million, seven hundred twenty-five thousand, four hundred six".