23040042221023 has 4 divisors (see below), whose sum is σ = 23040599579368. Its totient is φ = 23039484862680.

The previous prime is 23040042220997. The next prime is 23040042221069. The reversal of 23040042221023 is 32012224004032.

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 23040042221023 - 2⁹ = 23040042220511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040042221123) 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, 278617161 + ... + 278699842.

It is an arithmetic number, because the mean of its divisors is an integer number (5760149894842).

Almost surely, 2^{23040042221023} is an apocalyptic number.

23040042221023 is a deficient number, since it is larger than the sum of its proper divisors (557358345).

23040042221023 is an equidigital number, since it uses as much as digits as its factorization.

23040042221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557358344.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23040042221023 its reverse (32012224004032), we get a palindrome (55052266225055).

The spelling of 23040042221023 in words is "twenty-three trillion, forty billion, forty-two million, two hundred twenty-one thousand, twenty-three".