355920623 has 4 divisors (see below), whose sum is σ = 356280768. Its totient is φ = 355560480.

The previous prime is 355920577. The next prime is 355920647. The reversal of 355920623 is 326029553.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355920623 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 (355920023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178586 + ... + 180567.

It is an arithmetic number, because the mean of its divisors is an integer number (89070192).

Almost surely, 2^355920623 is an apocalyptic number.

355920623 is a deficient number, since it is larger than the sum of its proper divisors (360145).

355920623 is an equidigital number, since it uses as much as digits as its factorization.

355920623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360144.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 355920623 is about 18865.8586605540. The cubic root of 355920623 is about 708.6814269657.

The spelling of 355920623 in words is "three hundred fifty-five million, nine hundred twenty thousand, six hundred twenty-three".