23432421073 has 2 divisors, whose sum is σ = 23432421074. Its totient is φ = 23432421072.

The previous prime is 23432421059. The next prime is 23432421149. The reversal of 23432421073 is 37012423432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16242737809 + 7189683264 = 127447^2 + 84792^2 .

It is a cyclic number.

It is not a de Polignac number, because 23432421073 - 2⁵ = 23432421041 is a prime.

It is not a weakly prime, because it can be changed into another prime (23432421673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716210536 + 11716210537.

It is an arithmetic number, because the mean of its divisors is an integer number (11716210537).

Almost surely, 2^23432421073 is an apocalyptic number.

It is an amenable number.

23432421073 is a deficient number, since it is larger than the sum of its proper divisors (1).

23432421073 is an equidigital number, since it uses as much as digits as its factorization.

23432421073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 23432421073 in words is "twenty-three billion, four hundred thirty-two million, four hundred twenty-one thousand, seventy-three".