2073380156523 has 80 divisors (see below), whose sum is σ = 3576438391680. Its totient is φ = 1185670047744.

The previous prime is 2073380156503. The next prime is 2073380156609. The reversal of 2073380156523 is 3256510833702.

2073380156523 is a `hidden beast` number, since 2 + 0 + 7 + 3 + 3 + 80 + 1 + 565 + 2 + 3 = 666.

It is not a de Polignac number, because 2073380156523 - 2³⁰ = 2072306414699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2073380156503) 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, 681111 + ... + 2147247.

It is an arithmetic number, because the mean of its divisors is an integer number (44705479896).

Almost surely, 2^{2073380156523} is an apocalyptic number.

2073380156523 is a deficient number, since it is larger than the sum of its proper divisors (1503058235157).

2073380156523 is a wasteful number, since it uses less digits than its factorization.

2073380156523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466258 (or 1466249 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 2073380156523 in words is "two trillion, seventy-three billion, three hundred eighty million, one hundred fifty-six thousand, five hundred twenty-three".