323505427 has 8 divisors (see below), whose sum is σ = 391468896. Its totient is φ = 260979072.

The previous prime is 323505397. The next prime is 323505439. The reversal of 323505427 is 724505323.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323505427 is a prime.

It is a super-2 number, since 2×323505427² = 209311522596904658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323505827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359148 + ... + 1359385.

It is an arithmetic number, because the mean of its divisors is an integer number (48933612).

Almost surely, 2^323505427 is an apocalyptic number.

323505427 is a deficient number, since it is larger than the sum of its proper divisors (67963469).

323505427 is a wasteful number, since it uses less digits than its factorization.

323505427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718557.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 323505427 is about 17986.2566144265. The cubic root of 323505427 is about 686.4788954904.

The spelling of 323505427 in words is "three hundred twenty-three million, five hundred five thousand, four hundred twenty-seven".