1023560999874 has 80 divisors (see below), whose sum is σ = 2621622079296. Its totient is φ = 292396975200.

The previous prime is 1023560999831. The next prime is 1023560999921. The reversal of 1023560999874 is 4789990653201.

1023560999874 is a `hidden beast` number, since 10 + 2 + 3 + 5 + 609 + 9 + 9 + 8 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6982069 + ... + 7127159.

It is a 1-persistent number, because it is pandigital, but 2⋅1023560999874 = 2047121999748 is not.

Almost surely, 2^{1023560999874} is an apocalyptic number.

1023560999874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1023560999874 is an abundant number, since it is smaller than the sum of its proper divisors (1598061079422).

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

1023560999874 is a wasteful number, since it uses less digits than its factorization.

1023560999874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151333 (or 151324 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 1023560999874 in words is "one trillion, twenty-three billion, five hundred sixty million, nine hundred ninety-nine thousand, eight hundred seventy-four".