408142323 has 6 divisors (see below), whose sum is σ = 589538924. Its totient is φ = 272094876.

The previous prime is 408142303. The next prime is 408142333. The reversal of 408142323 is 323241804.

It is not a de Polignac number, because 408142323 - 2²² = 403948019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408142303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22674565 + ... + 22674582.

Almost surely, 2^408142323 is an apocalyptic number.

408142323 is a deficient number, since it is larger than the sum of its proper divisors (181396601).

408142323 is a wasteful number, since it uses less digits than its factorization.

408142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45349153 (or 45349150 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 408142323 is about 20202.5325887622. The cubic root of 408142323 is about 741.7721848159.

The spelling of 408142323 in words is "four hundred eight million, one hundred forty-two thousand, three hundred twenty-three".