223423131 has 8 divisors (see below), whose sum is σ = 305948944. Its totient is φ = 144923040.

The previous prime is 223423111. The next prime is 223423157. The reversal of 223423131 is 131324322.

223423131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223423131 - 2⁷ = 223423003 is a prime.

It is a super-2 number, since 2×223423131² = 99835790931686322, 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 = 223423098 and 223423107.

It is not an unprimeable number, because it can be changed into a prime (223423111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006300 + ... + 1006521.

It is an arithmetic number, because the mean of its divisors is an integer number (38243618).

Almost surely, 2^223423131 is an apocalyptic number.

223423131 is a deficient number, since it is larger than the sum of its proper divisors (82525813).

223423131 is a wasteful number, since it uses less digits than its factorization.

223423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012861.

The product of its digits is 864, while the sum is 21.

The square root of 223423131 is about 14947.3452826915. The cubic root of 223423131 is about 606.7960027284.

Adding to 223423131 its reverse (131324322), we get a palindrome (354747453).

The spelling of 223423131 in words is "two hundred twenty-three million, four hundred twenty-three thousand, one hundred thirty-one".