354646623 has 4 divisors (see below), whose sum is σ = 472862168. Its totient is φ = 236431080.

The previous prime is 354646573. The next prime is 354646627. The reversal of 354646623 is 326646453.

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

It is not a de Polignac number, because 354646623 - 2⁹ = 354646111 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 (354646627) 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, 59107768 + ... + 59107773.

It is an arithmetic number, because the mean of its divisors is an integer number (118215542).

Almost surely, 2^354646623 is an apocalyptic number.

354646623 is a deficient number, since it is larger than the sum of its proper divisors (118215545).

354646623 is a wasteful number, since it uses less digits than its factorization.

354646623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118215544.

The product of its digits is 311040, while the sum is 39.

The square root of 354646623 is about 18832.0636946671. The cubic root of 354646623 is about 707.8348528756.

The spelling of 354646623 in words is "three hundred fifty-four million, six hundred forty-six thousand, six hundred twenty-three".