123011113323 has 32 divisors (see below), whose sum is σ = 187993856512. Its totient is φ = 70086643200.

The previous prime is 123011113321. The next prime is 123011113397. The reversal of 123011113323 is 323311110321.

It is a happy number.

It is not a de Polignac number, because 123011113323 - 2¹ = 123011113321 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 123011113323.

It is not an unprimeable number, because it can be changed into a prime (123011113321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20192508 + ... + 20198598.

It is an arithmetic number, because the mean of its divisors is an integer number (5874808016).

Almost surely, 2^123011113323 is an apocalyptic number.

123011113323 is a deficient number, since it is larger than the sum of its proper divisors (64982743189).

123011113323 is a wasteful number, since it uses less digits than its factorization.

123011113323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8755.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 123011113323 its reverse (323311110321), we get a palindrome (446322223644).

The spelling of 123011113323 in words is "one hundred twenty-three billion, eleven million, one hundred thirteen thousand, three hundred twenty-three".