1023602861568 has 80 divisors (see below), whose sum is σ = 3116505173760. Its totient is φ = 292457957376.

The previous prime is 1023602861507. The next prime is 1023602861609. The reversal of 1023602861568 is 8651682063201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 47589828 + ... + 47611331.

It is an arithmetic number, because the mean of its divisors is an integer number (38956314672).

Almost surely, 2^{1023602861568} is an apocalyptic number.

It is an amenable number.

1023602861568 is an abundant number, since it is smaller than the sum of its proper divisors (2092902312192).

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

1023602861568 is an frugal number, since it uses more digits than its factorization.

1023602861568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95201187 (or 95201171 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 1023602861568 in words is "one trillion, twenty-three billion, six hundred two million, eight hundred sixty-one thousand, five hundred sixty-eight".