21233001022303 has 4 divisors (see below), whose sum is σ = 24266286882640. Its totient is φ = 18199715161968.

The previous prime is 21233001022301. The next prime is 21233001022313. The reversal of 21233001022303 is 30322010033212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21233001022303 - 2¹ = 21233001022301 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 (21233001022301) 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, 1516642930158 + ... + 1516642930171.

It is an arithmetic number, because the mean of its divisors is an integer number (6066571720660).

Almost surely, 2^{21233001022303} is an apocalyptic number.

21233001022303 is a deficient number, since it is larger than the sum of its proper divisors (3033285860337).

21233001022303 is an equidigital number, since it uses as much as digits as its factorization.

21233001022303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033285860336.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21233001022303 its reverse (30322010033212), we get a palindrome (51555011055515).

The spelling of 21233001022303 in words is "twenty-one trillion, two hundred thirty-three billion, one million, twenty-two thousand, three hundred three".