223269561257 has 4 divisors (see below), whose sum is σ = 224058499920. Its totient is φ = 222480622596.

The previous prime is 223269561239. The next prime is 223269561301. The reversal of 223269561257 is 752165962322.

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 223269561257 - 2²⁰ = 223268512681 is a prime.

It is a super-3 number, since 3×223269561257³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223269561157) 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, 394468907 + ... + 394469472.

It is an arithmetic number, because the mean of its divisors is an integer number (56014624980).

Almost surely, 2^223269561257 is an apocalyptic number.

It is an amenable number.

223269561257 is a deficient number, since it is larger than the sum of its proper divisors (788938663).

223269561257 is an equidigital number, since it uses as much as digits as its factorization.

223269561257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788938662.

The product of its digits is 2721600, while the sum is 50.

The spelling of 223269561257 in words is "two hundred twenty-three billion, two hundred sixty-nine million, five hundred sixty-one thousand, two hundred fifty-seven".