223656701 has 4 divisors (see below), whose sum is σ = 225028992. Its totient is φ = 222284412.

The previous prime is 223656679. The next prime is 223656721. The reversal of 223656701 is 107656322.

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, and also an emirpimes, since its reverse is a distinct semiprime: 107656322 = 2 ⋅53828161.

It is a cyclic number.

It is not a de Polignac number, because 223656701 - 2⁶ = 223656637 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 (223656721) 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, 685901 + ... + 686226.

It is an arithmetic number, because the mean of its divisors is an integer number (56257248).

Almost surely, 2^223656701 is an apocalyptic number.

It is an amenable number.

223656701 is a deficient number, since it is larger than the sum of its proper divisors (1372291).

223656701 is a wasteful number, since it uses less digits than its factorization.

223656701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372290.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 223656701 is about 14955.1563348566. The cubic root of 223656701 is about 607.0073803980.

The spelling of 223656701 in words is "two hundred twenty-three million, six hundred fifty-six thousand, seven hundred one".