1172971214523 has 6 divisors (see below), whose sum is σ = 1694291754324. Its totient is φ = 781980809676.

The previous prime is 1172971214521. The next prime is 1172971214543. The reversal of 1172971214523 is 3254121792711.

1172971214523 is a `hidden beast` number, since 1 + 1 + 72 + 9 + 7 + 121 + 452 + 3 = 666.

It is not a de Polignac number, because 1172971214523 - 2¹ = 1172971214521 is a prime.

It is a super-2 number, since 2×1172971214523² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1172971214521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65165067465 + ... + 65165067482.

It is an arithmetic number, because the mean of its divisors is an integer number (282381959054).

Almost surely, 2^{1172971214523} is an apocalyptic number.

1172971214523 is a deficient number, since it is larger than the sum of its proper divisors (521320539801).

1172971214523 is a wasteful number, since it uses less digits than its factorization.

1172971214523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130330134953 (or 130330134950 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The spelling of 1172971214523 in words is "one trillion, one hundred seventy-two billion, nine hundred seventy-one million, two hundred fourteen thousand, five hundred twenty-three".