1111312323 has 24 divisors (see below), whose sum is σ = 1758908736. Its totient is φ = 670542000.

The previous prime is 1111312303. The next prime is 1111312343. The reversal of 1111312323 is 3232131111.

It is an interprime number because it is at equal distance from previous prime (1111312303) and next prime (1111312343).

It is not a de Polignac number, because 1111312323 - 2⁵ = 1111312291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111312296 and 1111312305.

It is not an unprimeable number, because it can be changed into a prime (1111312303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2253 + ... + 47198.

It is an arithmetic number, because the mean of its divisors is an integer number (73287864).

Almost surely, 2^1111312323 is an apocalyptic number.

1111312323 is a deficient number, since it is larger than the sum of its proper divisors (647596413).

1111312323 is a wasteful number, since it uses less digits than its factorization.

1111312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49695 (or 49692 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1111312323 is about 33336.3513750380. The cubic root of 1111312323 is about 1035.8066860898.

Adding to 1111312323 its reverse (3232131111), we get a palindrome (4343443434).

It can be divided in two parts, 11113 and 12323, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 1111312323 in words is "one billion, one hundred eleven million, three hundred twelve thousand, three hundred twenty-three".