354306623 has 24 divisors (see below), whose sum is σ = 414721920. Its totient is φ = 299356560.

The previous prime is 354306611. The next prime is 354306629. The reversal of 354306623 is 326603453.

It is not a de Polignac number, because 354306623 - 2⁴ = 354306607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354306623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354306629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727286 + ... + 727772.

It is an arithmetic number, because the mean of its divisors is an integer number (17280080).

Almost surely, 2^354306623 is an apocalyptic number.

354306623 is a deficient number, since it is larger than the sum of its proper divisors (60415297).

354306623 is a wasteful number, since it uses less digits than its factorization.

354306623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 354306623 is about 18823.0343728104. The cubic root of 354306623 is about 707.6085799383.

The spelling of 354306623 in words is "three hundred fifty-four million, three hundred six thousand, six hundred twenty-three".