215423342310000 has 800 divisors, whose sum is σ = 789437827031040. Its totient is φ = 50144572800000.

The previous prime is 215423342309993. The next prime is 215423342310047. The reversal of 215423342310000 is 13243324512.

It is a super-2 number, since 2×215423342310000² (a number of 29 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 215423342310000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 837081345 + ... + 837338655.

Almost surely, 2^{215423342310000} is an apocalyptic number.

215423342310000 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 215423342310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394718913515520).

215423342310000 is an abundant number, since it is smaller than the sum of its proper divisors (574014484721040).

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

215423342310000 is a wasteful number, since it uses less digits than its factorization.

215423342310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257455 (or 257434 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 215423342310000 its reverse (13243324512), we get a palindrome (215436585634512).

The spelling of 215423342310000 in words is "two hundred fifteen trillion, four hundred twenty-three billion, three hundred forty-two million, three hundred ten thousand".