223125004431 has 80 divisors (see below), whose sum is σ = 386242214400. Its totient is φ = 127296075312.

The previous prime is 223125004409. The next prime is 223125004433. The reversal of 223125004431 is 134400521322.

223125004431 is a `hidden beast` number, since 223 + 1 + 2 + 5 + 0 + 0 + 4 + 431 = 666.

It is not a de Polignac number, because 223125004431 - 2²¹ = 223122907279 is a prime.

It is a super-3 number, since 3×223125004431³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 223125004395 and 223125004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223125004433) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 46608220 + ... + 46613006.

It is an arithmetic number, because the mean of its divisors is an integer number (4828027680).

Almost surely, 2^223125004431 is an apocalyptic number.

223125004431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223125004431 is a deficient number, since it is larger than the sum of its proper divisors (163117209969).

223125004431 is an frugal number, since it uses more digits than its factorization.

223125004431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 223125004431 its reverse (134400521322), we get a palindrome (357525525753).

The spelling of 223125004431 in words is "two hundred twenty-three billion, one hundred twenty-five million, four thousand, four hundred thirty-one".