350418623 has 2 divisors, whose sum is σ = 350418624. Its totient is φ = 350418622.

The previous prime is 350418619. The next prime is 350418661. The reversal of 350418623 is 326814053.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 350418623 - 2² = 350418619 is a prime.

It is a super-2 number, since 2×350418623² = 245586422690432258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 350418623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350418683) 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 as a sum of consecutive naturals, namely, 175209311 + 175209312.

It is an arithmetic number, because the mean of its divisors is an integer number (175209312).

Almost surely, 2^350418623 is an apocalyptic number.

350418623 is a deficient number, since it is larger than the sum of its proper divisors (1).

350418623 is an equidigital number, since it uses as much as digits as its factorization.

350418623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 350418623 is about 18719.4717607095. The cubic root of 350418623 is about 705.0107290086.

The spelling of 350418623 in words is "three hundred fifty million, four hundred eighteen thousand, six hundred twenty-three".