223023232021 has 8 divisors (see below), whose sum is σ = 223618664160. Its totient is φ = 222428215152.

The previous prime is 223023232009. The next prime is 223023232027. The reversal of 223023232021 is 120232320322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223023232021 - 2¹¹ = 223023229973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223023231983 and 223023232001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223023232027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986971 + ... + 1191703.

It is an arithmetic number, because the mean of its divisors is an integer number (27952333020).

Almost surely, 2^223023232021 is an apocalyptic number.

It is an amenable number.

223023232021 is a deficient number, since it is larger than the sum of its proper divisors (595432139).

223023232021 is a wasteful number, since it uses less digits than its factorization.

223023232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207635.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 223023232021 its reverse (120232320322), we get a palindrome (343255552343).

The spelling of 223023232021 in words is "two hundred twenty-three billion, twenty-three million, two hundred thirty-two thousand, twenty-one".