1233230320021 has 16 divisors (see below), whose sum is σ = 1458043718400. Its totient is φ = 1020578203008.

The previous prime is 1233230319977. The next prime is 1233230320027. The reversal of 1233230320021 is 1200230323321.

It is not a de Polignac number, because 1233230320021 - 2⁹ = 1233230319509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1233230319974 and 1233230320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233230320027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15324736 + ... + 15404998.

It is an arithmetic number, because the mean of its divisors is an integer number (91127732400).

Almost surely, 2^{1233230320021} is an apocalyptic number.

It is an amenable number.

1233230320021 is a deficient number, since it is larger than the sum of its proper divisors (224813398379).

1233230320021 is an equidigital number, since it uses as much as digits as its factorization.

1233230320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155988.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1233230320021 its reverse (1200230323321), we get a palindrome (2433460643342).

The spelling of 1233230320021 in words is "one trillion, two hundred thirty-three billion, two hundred thirty million, three hundred twenty thousand, twenty-one".