223142331 has 8 divisors (see below), whose sum is σ = 302400784. Its totient is φ = 146322720.

The previous prime is 223142317. The next prime is 223142333. The reversal of 223142331 is 133241322.

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

It is not a de Polignac number, because 223142331 - 2⁷ = 223142203 is a prime.

It is a super-3 number, since 3×223142331³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223142298 and 223142307.

It is not an unprimeable number, because it can be changed into a prime (223142333) 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, 609496 + ... + 609861.

It is an arithmetic number, because the mean of its divisors is an integer number (37800098).

Almost surely, 2^223142331 is an apocalyptic number.

223142331 is a deficient number, since it is larger than the sum of its proper divisors (79258453).

223142331 is a wasteful number, since it uses less digits than its factorization.

223142331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219421.

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

The square root of 223142331 is about 14937.9493572578. The cubic root of 223142331 is about 606.5416874470.

Adding to 223142331 its reverse (133241322), we get a palindrome (356383653).

The spelling of 223142331 in words is "two hundred twenty-three million, one hundred forty-two thousand, three hundred thirty-one".