1023221313233 has 24 divisors (see below), whose sum is σ = 1233746428032. Its totient is φ = 845574405984.

The previous prime is 1023221313227. The next prime is 1023221313239. The reversal of 1023221313233 is 3323131223201.

It is an interprime number because it is at equal distance from previous prime (1023221313227) and next prime (1023221313239).

It is not a de Polignac number, because 1023221313233 - 2⁴ = 1023221313217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1023221313239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3161366 + ... + 3469967.

It is an arithmetic number, because the mean of its divisors is an integer number (51406101168).

Almost surely, 2^{1023221313233} is an apocalyptic number.

It is an amenable number.

1023221313233 is a deficient number, since it is larger than the sum of its proper divisors (210525114799).

1023221313233 is an equidigital number, since it uses as much as digits as its factorization.

1023221313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631461 (or 6631454 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1023221313233 its reverse (3323131223201), we get a palindrome (4346352536434).

The spelling of 1023221313233 in words is "one trillion, twenty-three billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred thirty-three".