623422354 has 4 divisors (see below), whose sum is σ = 935133534. Its totient is φ = 311711176.

The previous prime is 623422313. The next prime is 623422363. The reversal of 623422354 is 453224326.

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

It can be written as a sum of positive squares in only one way, i.e., 606489129 + 16933225 = 24627^2 + 4115^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155855587 + ... + 155855590.

Almost surely, 2^623422354 is an apocalyptic number.

623422354 is a deficient number, since it is larger than the sum of its proper divisors (311711180).

623422354 is a wasteful number, since it uses less digits than its factorization.

623422354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311711179.

The product of its digits is 34560, while the sum is 31.

The square root of 623422354 is about 24968.4271430941. The cubic root of 623422354 is about 854.2679707232.

The spelling of 623422354 in words is "six hundred twenty-three million, four hundred twenty-two thousand, three hundred fifty-four".