11934143 has 4 divisors (see below), whose sum is σ = 12852168. Its totient is φ = 11016120.

The previous prime is 11934137. The next prime is 11934149. The reversal of 11934143 is 34143911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34143911 = 811 ⋅42101.

It is an interprime number because it is at equal distance from previous prime (11934137) and next prime (11934149).

It is a cyclic number.

It is not a de Polignac number, because 11934143 - 2⁴ = 11934127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11934149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458993 + ... + 459018.

It is an arithmetic number, because the mean of its divisors is an integer number (3213042).

Almost surely, 2^11934143 is an apocalyptic number.

11934143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11934143 is a deficient number, since it is larger than the sum of its proper divisors (918025).

11934143 is an equidigital number, since it uses as much as digits as its factorization.

11934143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918024.

The product of its digits is 1296, while the sum is 26.

The square root of 11934143 is about 3454.5828981224. The cubic root of 11934143 is about 228.5232608509.

The spelling of 11934143 in words is "eleven million, nine hundred thirty-four thousand, one hundred forty-three".