63323370432 has 224 divisors, whose sum is σ = 214433546240. Its totient is φ = 17949496320.

The previous prime is 63323370427. The next prime is 63323370457. The reversal of 63323370432 is 23407332336.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1515582 + ... + 1556802.

Almost surely, 2^63323370432 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 63323370432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107216773120).

63323370432 is an abundant number, since it is smaller than the sum of its proper divisors (151110175808).

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

63323370432 is a wasteful number, since it uses less digits than its factorization.

63323370432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41376 (or 41360 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 36.

The spelling of 63323370432 in words is "sixty-three billion, three hundred twenty-three million, three hundred seventy thousand, four hundred thirty-two".