1153880523 has 12 divisors (see below), whose sum is σ = 1694966520. Its totient is φ = 756215136.

The previous prime is 1153880521. The next prime is 1153880531. The reversal of 1153880523 is 3250883511.

1153880523 is a `hidden beast` number, since 1 + 1 + 53 + 8 + 80 + 523 = 666.

It is not a de Polignac number, because 1153880523 - 2¹ = 1153880521 is a prime.

It is a super-2 number, since 2×1153880523² = 2662880522717507058, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1153880521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085986 + ... + 1087047.

It is an arithmetic number, because the mean of its divisors is an integer number (141247210).

Almost surely, 2^1153880523 is an apocalyptic number.

1153880523 is a deficient number, since it is larger than the sum of its proper divisors (541085997).

1153880523 is a wasteful number, since it uses less digits than its factorization.

1153880523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173098 (or 2173095 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1153880523 is about 33968.8169208172. The cubic root of 1153880523 is about 1048.8666601388.

The spelling of 1153880523 in words is "one billion, one hundred fifty-three million, eight hundred eighty thousand, five hundred twenty-three".