11923119 has 40 divisors (see below), whose sum is σ = 19582640. Its totient is φ = 7227792.

The previous prime is 11923097. The next prime is 11923157. The reversal of 11923119 is 91132911.

It is not a de Polignac number, because 11923119 - 2⁸ = 11922863 is a prime.

It is a super-2 number, since 2×11923119² = 284321533376322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11923092 and 11923101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 177924 + ... + 177990.

It is an arithmetic number, because the mean of its divisors is an integer number (489566).

Almost surely, 2^11923119 is an apocalyptic number.

11923119 is a deficient number, since it is larger than the sum of its proper divisors (7659521).

11923119 is an frugal number, since it uses more digits than its factorization.

11923119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 83 counting only the distinct ones).

The product of its digits is 486, while the sum is 27.

The square root of 11923119 is about 3452.9869678294. The cubic root of 11923119 is about 228.4528741034.

The spelling of 11923119 in words is "eleven million, nine hundred twenty-three thousand, one hundred nineteen".