408553923 has 8 divisors (see below), whose sum is σ = 545142528. Its totient is φ = 272167304.

The previous prime is 408553921. The next prime is 408553961. The reversal of 408553923 is 329355804.

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

It is a cyclic number.

It is not a de Polignac number, because 408553923 - 2¹ = 408553921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408553921) 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, 45711 + ... + 53912.

It is an arithmetic number, because the mean of its divisors is an integer number (68142816).

Almost surely, 2^408553923 is an apocalyptic number.

408553923 is a deficient number, since it is larger than the sum of its proper divisors (136588605).

408553923 is a wasteful number, since it uses less digits than its factorization.

408553923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100993.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 408553923 is about 20212.7168634006. The cubic root of 408553923 is about 742.0214531375.

The spelling of 408553923 in words is "four hundred eight million, five hundred fifty-three thousand, nine hundred twenty-three".