11543883 has 12 divisors (see below), whose sum is σ = 16667640. Its totient is φ = 7103616.

The previous prime is 11543879. The next prime is 11543893. The reversal of 11543883 is 38834511.

It is not a de Polignac number, because 11543883 - 2² = 11543879 is a prime.

It is a super-2 number, since 2×11543883² = 266522469435378, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) 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 (11543813) 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, 10878 + ... + 11891.

It is an arithmetic number, because the mean of its divisors is an integer number (1388970).

Almost surely, 2^11543883 is an apocalyptic number.

11543883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11543883 is a deficient number, since it is larger than the sum of its proper divisors (5123757).

11543883 is a wasteful number, since it uses less digits than its factorization.

11543883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22798 (or 22785 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 11543883 is about 3397.6290262476. The cubic root of 11543883 is about 226.0046139450.

The spelling of 11543883 in words is "eleven million, five hundred forty-three thousand, eight hundred eighty-three".