23231321123 has 2 divisors, whose sum is σ = 23231321124. Its totient is φ = 23231321122.

The previous prime is 23231321101. The next prime is 23231321137. The reversal of 23231321123 is 32112313232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23231321123 - 2¹⁶ = 23231255587 is a prime.

It is a super-2 number, since 2×23231321123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23231521123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615660561 + 11615660562.

It is an arithmetic number, because the mean of its divisors is an integer number (11615660562).

Almost surely, 2^23231321123 is an apocalyptic number.

23231321123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231321123 is an equidigital number, since it uses as much as digits as its factorization.

23231321123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 23231321123 its reverse (32112313232), we get a palindrome (55343634355).

The spelling of 23231321123 in words is "twenty-three billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty-three".