20231111323 has 8 divisors (see below), whose sum is σ = 20808873008. Its totient is φ = 19658225664.

The previous prime is 20231111321. The next prime is 20231111353. The reversal of 20231111323 is 32311113202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20231111323 - 2¹ = 20231111321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20231111323.

It is not an unprimeable number, because it can be changed into a prime (20231111321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210590 + ... + 1227187.

It is an arithmetic number, because the mean of its divisors is an integer number (2601109126).

Almost surely, 2^20231111323 is an apocalyptic number.

20231111323 is a deficient number, since it is larger than the sum of its proper divisors (577761685).

20231111323 is a wasteful number, since it uses less digits than its factorization.

20231111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438013.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20231111323 its reverse (32311113202), we get a palindrome (52542224525).

The spelling of 20231111323 in words is "twenty billion, two hundred thirty-one million, one hundred eleven thousand, three hundred twenty-three".