223072431 has 8 divisors (see below), whose sum is σ = 304684464. Its totient is φ = 145087680.

The previous prime is 223072429. The next prime is 223072441. The reversal of 223072431 is 134270322.

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

It is not a de Polignac number, because 223072431 - 2¹ = 223072429 is a prime.

It is a super-3 number, since 3×223072431³ (a number of 26 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 (223072411) 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, 906676 + ... + 906921.

It is an arithmetic number, because the mean of its divisors is an integer number (38085558).

Almost surely, 2^223072431 is an apocalyptic number.

223072431 is a deficient number, since it is larger than the sum of its proper divisors (81612033).

223072431 is a wasteful number, since it uses less digits than its factorization.

223072431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813641.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 223072431 is about 14935.6094954307. The cubic root of 223072431 is about 606.4783471692.

The spelling of 223072431 in words is "two hundred twenty-three million, seventy-two thousand, four hundred thirty-one".