1233023043121 has 4 divisors (see below), whose sum is σ = 1286632740672. Its totient is φ = 1179413345572.

The previous prime is 1233023043089. The next prime is 1233023043137. The reversal of 1233023043121 is 1213403203321.

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 1233023043121 - 2⁵ = 1233023043089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233023043191) 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, 26804848741 + ... + 26804848786.

It is an arithmetic number, because the mean of its divisors is an integer number (321658185168).

Almost surely, 2^{1233023043121} is an apocalyptic number.

It is an amenable number.

1233023043121 is a deficient number, since it is larger than the sum of its proper divisors (53609697551).

1233023043121 is an equidigital number, since it uses as much as digits as its factorization.

1233023043121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53609697550.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1233023043121 its reverse (1213403203321), we get a palindrome (2446426246442).

The spelling of 1233023043121 in words is "one trillion, two hundred thirty-three billion, twenty-three million, forty-three thousand, one hundred twenty-one".