1333221023 has 4 divisors (see below), whose sum is σ = 1333423248. Its totient is φ = 1333018800.

The previous prime is 1333220983. The next prime is 1333221047. The reversal of 1333221023 is 3201223331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201223331 = 61 ⋅52479071.

It is a cyclic number.

It is not a de Polignac number, because 1333221023 - 2¹⁰ = 1333219999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1333220986 and 1333221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333221083) 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, 90878 + ... + 104523.

It is an arithmetic number, because the mean of its divisors is an integer number (333355812).

Almost surely, 2^1333221023 is an apocalyptic number.

1333221023 is a deficient number, since it is larger than the sum of its proper divisors (202225).

1333221023 is an equidigital number, since it uses as much as digits as its factorization.

1333221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202224.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1333221023 is about 36513.2992620497. The cubic root of 1333221023 is about 1100.6115120513.

Adding to 1333221023 its reverse (3201223331), we get a palindrome (4534444354).

The spelling of 1333221023 in words is "one billion, three hundred thirty-three million, two hundred twenty-one thousand, twenty-three".