1023127028856 has 96 divisors (see below), whose sum is σ = 2784294162000. Its totient is φ = 339403545600.

The previous prime is 1023127028851. The next prime is 1023127028863. The reversal of 1023127028856 is 6588207213201.

1023127028856 is a `hidden beast` number, since 1 + 0 + 2 + 312 + 7 + 0 + 288 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023127028851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45768370 + ... + 45790718.

Almost surely, 2^{1023127028856} is an apocalyptic number.

It is an amenable number.

1023127028856 is an abundant number, since it is smaller than the sum of its proper divisors (1761167133144).

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

1023127028856 is a wasteful number, since it uses less digits than its factorization.

1023127028856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25389 (or 25382 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 1023127028856 in words is "one trillion, twenty-three billion, one hundred twenty-seven million, twenty-eight thousand, eight hundred fifty-six".