11872523 has 8 divisors (see below), whose sum is σ = 13131888. Its totient is φ = 10662624.

The previous prime is 11872519. The next prime is 11872543. The reversal of 11872523 is 32527811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11872523 - 2² = 11872519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11872543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11861 + ... + 12822.

It is an arithmetic number, because the mean of its divisors is an integer number (1641486).

Almost surely, 2^11872523 is an apocalyptic number.

11872523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11872523 is a deficient number, since it is larger than the sum of its proper divisors (1259365).

11872523 is a wasteful number, since it uses less digits than its factorization.

11872523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24733.

The product of its digits is 3360, while the sum is 29.

The square root of 11872523 is about 3445.6527683445. The cubic root of 11872523 is about 228.1292677753.

The spelling of 11872523 in words is "eleven million, eight hundred seventy-two thousand, five hundred twenty-three".