11969023 has 4 divisors (see below), whose sum is σ = 13057128. Its totient is φ = 10880920.

The previous prime is 11969017. The next prime is 11969033. The reversal of 11969023 is 32096911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11969023 - 2⁵ = 11968991 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11969033) 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, 544036 + ... + 544057.

It is an arithmetic number, because the mean of its divisors is an integer number (3264282).

Almost surely, 2^11969023 is an apocalyptic number.

11969023 is a deficient number, since it is larger than the sum of its proper divisors (1088105).

11969023 is a wasteful number, since it uses less digits than its factorization.

11969023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088104.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 11969023 is about 3459.6275811133. The cubic root of 11969023 is about 228.7456797934.

The spelling of 11969023 in words is "eleven million, nine hundred sixty-nine thousand, twenty-three".