223021301232 has 80 divisors (see below), whose sum is σ = 592366328192. Its totient is φ = 72250963200.

The previous prime is 223021301219. The next prime is 223021301249. The reversal of 223021301232 is 232103120322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 223021301199 and 223021301208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541607 + ... + 1680057.

Almost surely, 2^223021301232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223021301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296183164096).

223021301232 is an abundant number, since it is smaller than the sum of its proper divisors (369345026960).

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

223021301232 is a wasteful number, since it uses less digits than its factorization.

223021301232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139406 (or 139400 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223021301232 its reverse (232103120322), we get a palindrome (455124421554).

The spelling of 223021301232 in words is "two hundred twenty-three billion, twenty-one million, three hundred one thousand, two hundred thirty-two".