1023730317816 has 64 divisors (see below), whose sum is σ = 2628805389600. Its totient is φ = 331981659648.

The previous prime is 1023730317773. The next prime is 1023730317851. The reversal of 1023730317816 is 6187130373201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8046990 + ... + 8173218.

Almost surely, 2^{1023730317816} is an apocalyptic number.

It is an amenable number.

1023730317816 is an abundant number, since it is smaller than the sum of its proper divisors (1605075071784).

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

1023730317816 is a wasteful number, since it uses less digits than its factorization.

1023730317816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135408 (or 135404 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 1023730317816 in words is "one trillion, twenty-three billion, seven hundred thirty million, three hundred seventeen thousand, eight hundred sixteen".