223032233021 has 32 divisors (see below), whose sum is σ = 243587796480. Its totient is φ = 202988611584.

The previous prime is 223032232981. The next prime is 223032233027. The reversal of 223032233021 is 120332230322.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223032233021 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 (223032233027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202204556 + ... + 202205658.

It is an arithmetic number, because the mean of its divisors is an integer number (7612118640).

Almost surely, 2^223032233021 is an apocalyptic number.

It is an amenable number.

223032233021 is a deficient number, since it is larger than the sum of its proper divisors (20555563459).

223032233021 is a wasteful number, since it uses less digits than its factorization.

223032233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 223032233021 its reverse (120332230322), we get a palindrome (343364463343).

The spelling of 223032233021 in words is "two hundred twenty-three billion, thirty-two million, two hundred thirty-three thousand, twenty-one".