623113233 has 4 divisors (see below), whose sum is σ = 830817648. Its totient is φ = 415408820.

The previous prime is 623113213. The next prime is 623113241. The reversal of 623113233 is 332311326.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 623113233 - 2¹⁰ = 623112209 is a prime.

It is a super-2 number, since 2×623113233² = 776540202279424578, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (623113213) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 103852203 + ... + 103852208.

It is an arithmetic number, because the mean of its divisors is an integer number (207704412).

Almost surely, 2^623113233 is an apocalyptic number.

It is an amenable number.

623113233 is a deficient number, since it is larger than the sum of its proper divisors (207704415).

623113233 is a wasteful number, since it uses less digits than its factorization.

623113233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207704414.

The product of its digits is 1944, while the sum is 24.

The square root of 623113233 is about 24962.2361378143. The cubic root of 623113233 is about 854.1267524806.

Adding to 623113233 its reverse (332311326), we get a palindrome (955424559).

It can be divided in two parts, 62311323 and 3, that added together give a palindrome (62311326).

The spelling of 623113233 in words is "six hundred twenty-three million, one hundred thirteen thousand, two hundred thirty-three".