323400723 has 8 divisors (see below), whose sum is σ = 449948928. Its totient is φ = 206226504.

The previous prime is 323400719. The next prime is 323400761. The reversal of 323400723 is 327004323.

It is a happy number.

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

It is not a de Polignac number, because 323400723 - 2² = 323400719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323400693 and 323400702.

It is not an unprimeable number, because it can be changed into a prime (323400713) 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 7 ways as a sum of consecutive naturals, for example, 2343415 + ... + 2343552.

It is an arithmetic number, because the mean of its divisors is an integer number (56243616).

Almost surely, 2^323400723 is an apocalyptic number.

323400723 is a deficient number, since it is larger than the sum of its proper divisors (126548205).

323400723 is a wasteful number, since it uses less digits than its factorization.

323400723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686993.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 323400723 is about 17983.3457120748. The cubic root of 323400723 is about 686.4048268287.

The spelling of 323400723 in words is "three hundred twenty-three million, four hundred thousand, seven hundred twenty-three".