223202320431 has 16 divisors (see below), whose sum is σ = 324068707200. Its totient is φ = 136108855008.

The previous prime is 223202320361. The next prime is 223202320433. The reversal of 223202320431 is 134023202322.

It is not a de Polignac number, because 223202320431 - 2⁹ = 223202319919 is a prime.

It is a super-3 number, since 3×223202320431³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223202320433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67512661 + ... + 67515966.

It is an arithmetic number, because the mean of its divisors is an integer number (20254294200).

Almost surely, 2^223202320431 is an apocalyptic number.

223202320431 is a deficient number, since it is larger than the sum of its proper divisors (100866386769).

223202320431 is a wasteful number, since it uses less digits than its factorization.

223202320431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135028678.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 223202320431 its reverse (134023202322), we get a palindrome (357225522753).

The spelling of 223202320431 in words is "two hundred twenty-three billion, two hundred two million, three hundred twenty thousand, four hundred thirty-one".