223402344620 has 192 divisors, whose sum is σ = 586824376320. Its totient is φ = 69556810752.

The previous prime is 223402344619. The next prime is 223402344623. The reversal of 223402344620 is 26443204322.

It is not an unprimeable number, because it can be changed into a prime (223402344623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42124889 + ... + 42130191.

It is an arithmetic number, because the mean of its divisors is an integer number (3056376960).

Almost surely, 2^223402344620 is an apocalyptic number.

223402344620 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 223402344620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293412188160).

223402344620 is an abundant number, since it is smaller than the sum of its proper divisors (363422031700).

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

223402344620 is a wasteful number, since it uses less digits than its factorization.

223402344620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704 (or 5702 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 223402344620 its reverse (26443204322), we get a palindrome (249845548942).

The spelling of 223402344620 in words is "two hundred twenty-three billion, four hundred two million, three hundred forty-four thousand, six hundred twenty".