223640424231 has 16 divisors (see below), whose sum is σ = 342273561600. Its totient is φ = 127236470688.

The previous prime is 223640424229. The next prime is 223640424247. The reversal of 223640424231 is 132424046322.

It is not a de Polignac number, because 223640424231 - 2¹ = 223640424229 is a prime.

It is a super-2 number, since 2×223640424231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223640424192 and 223640424201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223640424211) 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, 23247471 + ... + 23257088.

It is an arithmetic number, because the mean of its divisors is an integer number (21392097600).

Almost surely, 2^223640424231 is an apocalyptic number.

223640424231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223640424231 is a deficient number, since it is larger than the sum of its proper divisors (118633137369).

223640424231 is a wasteful number, since it uses less digits than its factorization.

223640424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46504798.

The product of its (nonzero) digits is 55296, while the sum is 33.

The spelling of 223640424231 in words is "two hundred twenty-three billion, six hundred forty million, four hundred twenty-four thousand, two hundred thirty-one".