1233023010221 has 4 divisors (see below), whose sum is σ = 1242435399744. Its totient is φ = 1223610620700.

The previous prime is 1233023010187. The next prime is 1233023010223. The reversal of 1233023010221 is 1220103203321.

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-1233023010221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233023010193 and 1233023010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233023010223) 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, 4706194565 + ... + 4706194826.

It is an arithmetic number, because the mean of its divisors is an integer number (310608849936).

Almost surely, 2^{1233023010221} is an apocalyptic number.

It is an amenable number.

1233023010221 is a deficient number, since it is larger than the sum of its proper divisors (9412389523).

1233023010221 is an equidigital number, since it uses as much as digits as its factorization.

1233023010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412389522.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1233023010221 its reverse (1220103203321), we get a palindrome (2453126213542).

The spelling of 1233023010221 in words is "one trillion, two hundred thirty-three billion, twenty-three million, ten thousand, two hundred twenty-one".