1523880056673 has 80 divisors (see below), whose sum is σ = 2543330944000. Its totient is φ = 902957362560.

The previous prime is 1523880056623. The next prime is 1523880056687. The reversal of 1523880056673 is 3766500883251.

1523880056673 is a `hidden beast` number, since 1 + 5 + 2 + 3 + 8 + 8 + 0 + 0 + 566 + 73 = 666.

It is not a de Polignac number, because 1523880056673 - 2⁶ = 1523880056609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1523880056623) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6378663 + ... + 6613251.

It is an arithmetic number, because the mean of its divisors is an integer number (31791636800).

Almost surely, 2^{1523880056673} is an apocalyptic number.

1523880056673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1523880056673 is a deficient number, since it is larger than the sum of its proper divisors (1019450887327).

1523880056673 is a wasteful number, since it uses less digits than its factorization.

1523880056673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234844 (or 234835 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 1523880056673 in words is "one trillion, five hundred twenty-three billion, eight hundred eighty million, fifty-six thousand, six hundred seventy-three".