64423112300032 has 80 divisors (see below), whose sum is σ = 133448597461872. Its totient is φ = 31047282196480.

The previous prime is 64423112300021. The next prime is 64423112300089. The reversal of 64423112300032 is 23000321132446.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64423112299967 and 64423112300003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16745233 + ... + 20229904.

Almost surely, 2^{64423112300032} is an apocalyptic number.

It is an amenable number.

64423112300032 is an abundant number, since it is smaller than the sum of its proper divisors (69025485161840).

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

64423112300032 is an equidigital number, since it uses as much as digits as its factorization.

64423112300032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36975279 (or 36975263 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 64423112300032 its reverse (23000321132446), we get a palindrome (87423433432478).

The spelling of 64423112300032 in words is "sixty-four trillion, four hundred twenty-three billion, one hundred twelve million, three hundred thousand, thirty-two".