423220443101310 has 128 divisors (see below), whose sum is σ = 1096198582760064. Its totient is φ = 104175107112960.

The previous prime is 423220443101251. The next prime is 423220443101369. The reversal of 423220443101310 is 13101344022324.

It is an interprime number because it is at equal distance from previous prime (423220443101251) and next prime (423220443101369).

It is a super-2 number, since 2×423220443101310² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66054030 + ... + 72177390.

It is an arithmetic number, because the mean of its divisors is an integer number (8564051427813).

Almost surely, 2^{423220443101310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423220443101310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548099291380032).

423220443101310 is an abundant number, since it is smaller than the sum of its proper divisors (672978139658754).

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

423220443101310 is a wasteful number, since it uses less digits than its factorization.

423220443101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125998.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 423220443101310 its reverse (13101344022324), we get a palindrome (436321787123634).

The spelling of 423220443101310 in words is "four hundred twenty-three trillion, two hundred twenty billion, four hundred forty-three million, one hundred one thousand, three hundred ten".