405959323 has 16 divisors (see below), whose sum is σ = 506580480. Its totient is φ = 316051200.

The previous prime is 405959317. The next prime is 405959341. The reversal of 405959323 is 323959504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405959323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405959363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144058 + ... + 146848.

It is an arithmetic number, because the mean of its divisors is an integer number (31661280).

Almost surely, 2^405959323 is an apocalyptic number.

405959323 is a deficient number, since it is larger than the sum of its proper divisors (100621157).

405959323 is a wasteful number, since it uses less digits than its factorization.

405959323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 405959323 is about 20148.4322715193. The cubic root of 405959323 is about 740.4473330127.

The spelling of 405959323 in words is "four hundred five million, nine hundred fifty-nine thousand, three hundred twenty-three".