354531823 has 4 divisors (see below), whose sum is σ = 354574168. Its totient is φ = 354489480.

The previous prime is 354531809. The next prime is 354531829. The reversal of 354531823 is 328135453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 354531823 - 2⁵ = 354531791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354531829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3936 + ... + 26917.

It is an arithmetic number, because the mean of its divisors is an integer number (88643542).

Almost surely, 2^354531823 is an apocalyptic number.

354531823 is a deficient number, since it is larger than the sum of its proper divisors (42345).

354531823 is a wasteful number, since it uses less digits than its factorization.

354531823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42344.

The product of its digits is 43200, while the sum is 34.

The square root of 354531823 is about 18829.0154548771. The cubic root of 354531823 is about 707.7584686615.

The spelling of 354531823 in words is "three hundred fifty-four million, five hundred thirty-one thousand, eight hundred twenty-three".