223123321033440 has 48 divisors (see below), whose sum is σ = 702838461256848. Its totient is φ = 59499552275456.

The previous prime is 223123321033423. The next prime is 223123321033441. The reversal of 223123321033440 is 44330123321322.

223123321033440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×223123321033440³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223123321033441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232420125597 + ... + 232420126556.

It is an arithmetic number, because the mean of its divisors is an integer number (14642467942851).

Almost surely, 2^{223123321033440} is an apocalyptic number.

223123321033440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223123321033440 is an abundant number, since it is smaller than the sum of its proper divisors (479715140223408).

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

223123321033440 is a wasteful number, since it uses less digits than its factorization.

223123321033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464840252171 (or 464840252163 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 223123321033440 its reverse (44330123321322), we get a palindrome (267453444354762).

The spelling of 223123321033440 in words is "two hundred twenty-three trillion, one hundred twenty-three billion, three hundred twenty-one million, thirty-three thousand, four hundred forty".