23440111233 has 48 divisors (see below), whose sum is σ = 41385655296. Its totient is φ = 11647241760.

The previous prime is 23440111229. The next prime is 23440111243. The reversal of 23440111233 is 33211104432.

It is a happy number.

It is not a de Polignac number, because 23440111233 - 2² = 23440111229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23440111223) 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 47 ways as a sum of consecutive naturals, for example, 277941 + ... + 352322.

It is an arithmetic number, because the mean of its divisors is an integer number (862201152).

Almost surely, 2^23440111233 is an apocalyptic number.

23440111233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23440111233 is a deficient number, since it is larger than the sum of its proper divisors (17945544063).

23440111233 is a wasteful number, since it uses less digits than its factorization.

23440111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630314 (or 630307 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23440111233 its reverse (33211104432), we get a palindrome (56651215665).

The spelling of 23440111233 in words is "twenty-three billion, four hundred forty million, one hundred eleven thousand, two hundred thirty-three".