223975215240 has 192 divisors, whose sum is σ = 794442634560. Its totient is φ = 50355002880.

The previous prime is 223975215229. The next prime is 223975215241. The reversal of 223975215240 is 42512579322.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 223975215192 and 223975215201.

It is not an unprimeable number, because it can be changed into a prime (223975215241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46459 + ... + 670901.

It is an arithmetic number, because the mean of its divisors is an integer number (4137722055).

Almost surely, 2^223975215240 is an apocalyptic number.

223975215240 is a gapful number since it is divisible by the number (20) 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 223975215240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397221317280).

223975215240 is an abundant number, since it is smaller than the sum of its proper divisors (570467419320).

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

223975215240 is a wasteful number, since it uses less digits than its factorization.

223975215240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624532 (or 624521 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 223975215240 in words is "two hundred twenty-three billion, nine hundred seventy-five million, two hundred fifteen thousand, two hundred forty".