23421322443031 has 2 divisors, whose sum is σ = 23421322443032. Its totient is φ = 23421322443030.

The previous prime is 23421322443019. The next prime is 23421322443037. The reversal of 23421322443031 is 13034422312432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23421322443031 - 2³³ = 23412732508439 is a prime.

It is a super-2 number, since 2×23421322443031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23421322443037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710661221515 + 11710661221516.

It is an arithmetic number, because the mean of its divisors is an integer number (11710661221516).

Almost surely, 2^{23421322443031} is an apocalyptic number.

23421322443031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421322443031 is an equidigital number, since it uses as much as digits as its factorization.

23421322443031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 23421322443031 its reverse (13034422312432), we get a palindrome (36455744755463).

The spelling of 23421322443031 in words is "twenty-three trillion, four hundred twenty-one billion, three hundred twenty-two million, four hundred forty-three thousand, thirty-one".