223031240432 has 480 divisors, whose sum is σ = 611478237888. Its totient is φ = 78059520000.

The previous prime is 223031240407. The next prime is 223031240437. The reversal of 223031240432 is 234042130322.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223031240437) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 556187432 + ... + 556187832.

Almost surely, 2^223031240432 is an apocalyptic number.

223031240432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223031240432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305739118944).

223031240432 is an abundant number, since it is smaller than the sum of its proper divisors (388446997456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223031240432 is a wasteful number, since it uses less digits than its factorization.

223031240432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 223031240432 its reverse (234042130322), we get a palindrome (457073370754).

The spelling of 223031240432 in words is "two hundred twenty-three billion, thirty-one million, two hundred forty thousand, four hundred thirty-two".