23432421031 has 2 divisors, whose sum is σ = 23432421032. Its totient is φ = 23432421030.

The previous prime is 23432420987. The next prime is 23432421041. The reversal of 23432421031 is 13012423432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23432421031 - 2²⁵ = 23398866599 is a prime.

It is a super-2 number, since 2×23432421031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23432420987 and 23432421005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23432421041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716210515 + 11716210516.

It is an arithmetic number, because the mean of its divisors is an integer number (11716210516).

Almost surely, 2^23432421031 is an apocalyptic number.

23432421031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23432421031 is an equidigital number, since it uses as much as digits as its factorization.

23432421031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23432421031 its reverse (13012423432), we get a palindrome (36444844463).

The spelling of 23432421031 in words is "twenty-three billion, four hundred thirty-two million, four hundred twenty-one thousand, thirty-one".