20232312123 has 4 divisors (see below), whose sum is σ = 26976416168. Its totient is φ = 13488208080.

The previous prime is 20232312077. The next prime is 20232312193. The reversal of 20232312123 is 32121323202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20232312123 - 2⁹ = 20232311611 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 20232312123.

It is not an unprimeable number, because it can be changed into a prime (20232312193) 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 3 ways as a sum of consecutive naturals, for example, 3372052018 + ... + 3372052023.

It is an arithmetic number, because the mean of its divisors is an integer number (6744104042).

Almost surely, 2^20232312123 is an apocalyptic number.

20232312123 is a deficient number, since it is larger than the sum of its proper divisors (6744104045).

20232312123 is an equidigital number, since it uses as much as digits as its factorization.

20232312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744104044.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20232312123 its reverse (32121323202), we get a palindrome (52353635325).

The spelling of 20232312123 in words is "twenty billion, two hundred thirty-two million, three hundred twelve thousand, one hundred twenty-three".