223060256621 has 4 divisors (see below), whose sum is σ = 232758528672. Its totient is φ = 213361984572.

The previous prime is 223060256599. The next prime is 223060256651. The reversal of 223060256621 is 126652060322.

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 223060256621 - 2¹⁴ = 223060240237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223060256651) 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, 4849135991 + ... + 4849136036.

It is an arithmetic number, because the mean of its divisors is an integer number (58189632168).

Almost surely, 2^223060256621 is an apocalyptic number.

It is an amenable number.

223060256621 is a deficient number, since it is larger than the sum of its proper divisors (9698272051).

223060256621 is an equidigital number, since it uses as much as digits as its factorization.

223060256621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9698272050.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 223060256621 in words is "two hundred twenty-three billion, sixty million, two hundred fifty-six thousand, six hundred twenty-one".