23040321323123 has 12 divisors (see below), whose sum is σ = 24964570665288. Its totient is φ = 21254704473600.

The previous prime is 23040321323111. The next prime is 23040321323231. The reversal of 23040321323123 is 32132312304032.

It is a happy number.

It is not a de Polignac number, because 23040321323123 - 2⁶ = 23040321323059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23040321325123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42306965 + ... + 42848102.

It is an arithmetic number, because the mean of its divisors is an integer number (2080380888774).

Almost surely, 2^{23040321323123} is an apocalyptic number.

23040321323123 is a deficient number, since it is larger than the sum of its proper divisors (1924249342165).

23040321323123 is a wasteful number, since it uses less digits than its factorization.

23040321323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85156694 (or 85156681 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 23040321323123 its reverse (32132312304032), we get a palindrome (55172633627155).

The spelling of 23040321323123 in words is "twenty-three trillion, forty billion, three hundred twenty-one million, three hundred twenty-three thousand, one hundred twenty-three".