223860431 has 4 divisors (see below), whose sum is σ = 225363000. Its totient is φ = 222357864.

The previous prime is 223860419. The next prime is 223860433. The reversal of 223860431 is 134068322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134068322 = 2 ⋅67034161.

It is a cyclic number.

It is not a de Polignac number, because 223860431 - 2¹⁰ = 223859407 is a prime.

It is a super-2 number, since 2×223860431² = 100226985135011522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223860394 and 223860403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223860433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751061 + ... + 751358.

It is an arithmetic number, because the mean of its divisors is an integer number (56340750).

Almost surely, 2^223860431 is an apocalyptic number.

223860431 is a deficient number, since it is larger than the sum of its proper divisors (1502569).

223860431 is a wasteful number, since it uses less digits than its factorization.

223860431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502568.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 223860431 is about 14961.9661475356. The cubic root of 223860431 is about 607.1916331432.

The spelling of 223860431 in words is "two hundred twenty-three million, eight hundred sixty thousand, four hundred thirty-one".