111111232323 has 64 divisors (see below), whose sum is σ = 187698452480. Its totient is φ = 56891953152.

The previous prime is 111111232303. The next prime is 111111232327. The reversal of 111111232323 is 323232111111.

It is not a de Polignac number, because 111111232323 - 2¹⁰ = 111111231299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 111111232323.

It is not an unprimeable number, because it can be changed into a prime (111111232327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4421811 + ... + 4446867.

It is an arithmetic number, because the mean of its divisors is an integer number (2932788320).

Almost surely, 2^111111232323 is an apocalyptic number.

111111232323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111111232323 is a deficient number, since it is larger than the sum of its proper divisors (76587220157).

111111232323 is a wasteful number, since it uses less digits than its factorization.

111111232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25556.

The product of its digits is 216, while the sum is 21.

Adding to 111111232323 its reverse (323232111111), we get a palindrome (434343343434).

The spelling of 111111232323 in words is "one hundred eleven billion, one hundred eleven million, two hundred thirty-two thousand, three hundred twenty-three".