23213101123 has 4 divisors (see below), whose sum is σ = 23752940728. Its totient is φ = 22673261520.

The previous prime is 23213101099. The next prime is 23213101139. The reversal of 23213101123 is 32110131232.

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 23213101123 - 2⁹ = 23213100611 is a prime.

It is a super-2 number, since 2×23213101123² (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 23213101123.

It is not an unprimeable number, because it can be changed into a prime (23213171123) 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, 269919738 + ... + 269919823.

It is an arithmetic number, because the mean of its divisors is an integer number (5938235182).

Almost surely, 2^23213101123 is an apocalyptic number.

23213101123 is a deficient number, since it is larger than the sum of its proper divisors (539839605).

23213101123 is an equidigital number, since it uses as much as digits as its factorization.

23213101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539839604.

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

Adding to 23213101123 its reverse (32110131232), we get a palindrome (55323232355).

The spelling of 23213101123 in words is "twenty-three billion, two hundred thirteen million, one hundred one thousand, one hundred twenty-three".