1233450545213 has 4 divisors (see below), whose sum is σ = 1233976091040. Its totient is φ = 1232924999388.

The previous prime is 1233450545167. The next prime is 1233450545219. The reversal of 1233450545213 is 3125450543321.

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 a de Polignac number, because none of the positive numbers 2^k-1233450545213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233450545219) 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, 262769393 + ... + 262774086.

It is an arithmetic number, because the mean of its divisors is an integer number (308494022760).

Almost surely, 2^{1233450545213} is an apocalyptic number.

It is an amenable number.

1233450545213 is a deficient number, since it is larger than the sum of its proper divisors (525545827).

1233450545213 is an equidigital number, since it uses as much as digits as its factorization.

1233450545213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525545826.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1233450545213 in words is "one trillion, two hundred thirty-three billion, four hundred fifty million, five hundred forty-five thousand, two hundred thirteen".