23112120023 has 4 divisors (see below), whose sum is σ = 23116657800. Its totient is φ = 23107582248.

The previous prime is 23112120001. The next prime is 23112120037. The reversal of 23112120023 is 32002121132.

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

It is a cyclic number.

It is not a de Polignac number, because 23112120023 - 2²² = 23107925719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23112119983 and 23112120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112120523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261240 + ... + 2271437.

It is an arithmetic number, because the mean of its divisors is an integer number (5779164450).

Almost surely, 2^23112120023 is an apocalyptic number.

23112120023 is a deficient number, since it is larger than the sum of its proper divisors (4537777).

23112120023 is an equidigital number, since it uses as much as digits as its factorization.

23112120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537776.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23112120023 its reverse (32002121132), we get a palindrome (55114241155).

The spelling of 23112120023 in words is "twenty-three billion, one hundred twelve million, one hundred twenty thousand, twenty-three".