354515223 has 4 divisors (see below), whose sum is σ = 472686968. Its totient is φ = 236343480.

The previous prime is 354515201. The next prime is 354515269. The reversal of 354515223 is 322515453.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 354515223 - 2⁶ = 354515159 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 (354515323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59085868 + ... + 59085873.

It is an arithmetic number, because the mean of its divisors is an integer number (118171742).

Almost surely, 2^354515223 is an apocalyptic number.

354515223 is a deficient number, since it is larger than the sum of its proper divisors (118171745).

354515223 is a wasteful number, since it uses less digits than its factorization.

354515223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118171744.

The product of its digits is 18000, while the sum is 30.

The square root of 354515223 is about 18828.5746406891. The cubic root of 354515223 is about 707.7474221929.

The spelling of 354515223 in words is "three hundred fifty-four million, five hundred fifteen thousand, two hundred twenty-three".