623113234 has 4 divisors (see below), whose sum is σ = 934669854. Its totient is φ = 311556616.

The previous prime is 623113213. The next prime is 623113241. The reversal of 623113234 is 432311326.

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., 391921209 + 231192025 = 19797^2 + 15205^2 .

It is a junction number, because it is equal to n+sod(n) for n = 623113199 and 623113208.

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, 155778307 + ... + 155778310.

Almost surely, 2^623113234 is an apocalyptic number.

623113234 is a deficient number, since it is larger than the sum of its proper divisors (311556620).

623113234 is a wasteful number, since it uses less digits than its factorization.

623113234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311556619.

The product of its digits is 2592, while the sum is 25.

The square root of 623113234 is about 24962.2361578445. The cubic root of 623113234 is about 854.1267529375.

The spelling of 623113234 in words is "six hundred twenty-three million, one hundred thirteen thousand, two hundred thirty-four".