1232422923521 has 2 divisors, whose sum is σ = 1232422923522. Its totient is φ = 1232422923520.

The previous prime is 1232422923517. The next prime is 1232422923527. The reversal of 1232422923521 is 1253292242321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 991695313921 + 240727609600 = 995839^2 + 490640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232422923521 - 2² = 1232422923517 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232422923527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616211461760 + 616211461761.

It is an arithmetic number, because the mean of its divisors is an integer number (616211461761).

Almost surely, 2^{1232422923521} is an apocalyptic number.

It is an amenable number.

1232422923521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232422923521 is an equidigital number, since it uses as much as digits as its factorization.

1232422923521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The spelling of 1232422923521 in words is "one trillion, two hundred thirty-two billion, four hundred twenty-two million, nine hundred twenty-three thousand, five hundred twenty-one".