23131133223 has 16 divisors (see below), whose sum is σ = 33723008256. Its totient is φ = 13986483840.

The previous prime is 23131133219. The next prime is 23131133257. The reversal of 23131133223 is 32233113132.

It is not a de Polignac number, because 23131133223 - 2² = 23131133219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23131133193 and 23131133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795115 + ... + 823692.

It is an arithmetic number, because the mean of its divisors is an integer number (2107688016).

Almost surely, 2^23131133223 is an apocalyptic number.

23131133223 is a deficient number, since it is larger than the sum of its proper divisors (10591875033).

23131133223 is a wasteful number, since it uses less digits than its factorization.

23131133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619254.

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

Adding to 23131133223 its reverse (32233113132), we get a palindrome (55364246355).

The spelling of 23131133223 in words is "twenty-three billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-three".