23132011123 has 4 divisors (see below), whose sum is σ = 24911396608. Its totient is φ = 21352625640.

The previous prime is 23132011087. The next prime is 23132011141. The reversal of 23132011123 is 32111023132.

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 23132011123 - 2⁹ = 23132010611 is a prime.

It is a super-2 number, since 2×23132011123² (a number of 22 digits) contains 22 as substring.

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 23132011123.

It is not an unprimeable number, because it can be changed into a prime (23132011183) 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, 889692723 + ... + 889692748.

It is an arithmetic number, because the mean of its divisors is an integer number (6227849152).

Almost surely, 2^23132011123 is an apocalyptic number.

23132011123 is a deficient number, since it is larger than the sum of its proper divisors (1779385485).

23132011123 is a wasteful number, since it uses less digits than its factorization.

23132011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779385484.

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

Adding to 23132011123 its reverse (32111023132), we get a palindrome (55243034255).

The spelling of 23132011123 in words is "twenty-three billion, one hundred thirty-two million, eleven thousand, one hundred twenty-three".