1233422512321 has 4 divisors (see below), whose sum is σ = 1233426275632. Its totient is φ = 1233418749012.

The previous prime is 1233422512303. The next prime is 1233422512363. The reversal of 1233422512321 is 1232152243321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1233422512321 - 2²⁹ = 1232885641409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233422512121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337595 + ... + 2063008.

It is an arithmetic number, because the mean of its divisors is an integer number (308356568908).

Almost surely, 2^{1233422512321} is an apocalyptic number.

It is an amenable number.

1233422512321 is a deficient number, since it is larger than the sum of its proper divisors (3763311).

1233422512321 is an equidigital number, since it uses as much as digits as its factorization.

1233422512321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763310.

The product of its digits is 17280, while the sum is 31.

Adding to 1233422512321 its reverse (1232152243321), we get a palindrome (2465574755642).

The spelling of 1233422512321 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-two million, five hundred twelve thousand, three hundred twenty-one".