223053104021 has 4 divisors (see below), whose sum is σ = 243330658944. Its totient is φ = 202775549100.

The previous prime is 223053104003. The next prime is 223053104041. The reversal of 223053104021 is 120401350322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223053104021 - 2¹⁸ = 223052841877 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 (223053104041) 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, 10138777445 + ... + 10138777466.

It is an arithmetic number, because the mean of its divisors is an integer number (60832664736).

Almost surely, 2^223053104021 is an apocalyptic number.

It is an amenable number.

223053104021 is a deficient number, since it is larger than the sum of its proper divisors (20277554923).

223053104021 is a wasteful number, since it uses less digits than its factorization.

223053104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277554922.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 223053104021 its reverse (120401350322), we get a palindrome (343454454343).

The spelling of 223053104021 in words is "two hundred twenty-three billion, fifty-three million, one hundred four thousand, twenty-one".