19941123 has 4 divisors (see below), whose sum is σ = 26588168. Its totient is φ = 13294080.

The previous prime is 19941071. The next prime is 19941139. The reversal of 19941123 is 32114991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32114991 = 3 ⋅10704997.

It is not a de Polignac number, because 19941123 - 2⁹ = 19940611 is a prime.

It is a super-2 number, since 2×19941123² = 795296773002258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19941923) 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, 3323518 + ... + 3323523.

It is an arithmetic number, because the mean of its divisors is an integer number (6647042).

Almost surely, 2^19941123 is an apocalyptic number.

19941123 is a deficient number, since it is larger than the sum of its proper divisors (6647045).

19941123 is an equidigital number, since it uses as much as digits as its factorization.

19941123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647044.

The product of its digits is 1944, while the sum is 30.

The square root of 19941123 is about 4465.5484545574. The cubic root of 19941123 is about 271.1751385786.

The spelling of 19941123 in words is "nineteen million, nine hundred forty-one thousand, one hundred twenty-three".