11690023 has 4 divisors (see below), whose sum is σ = 11961928. Its totient is φ = 11418120.

The previous prime is 11690017. The next prime is 11690027. The reversal of 11690023 is 32009611.

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 11690023 - 2⁵ = 11689991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11689976 and 11690003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11690027) 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, 135888 + ... + 135973.

It is an arithmetic number, because the mean of its divisors is an integer number (2990482).

Almost surely, 2^11690023 is an apocalyptic number.

11690023 is a deficient number, since it is larger than the sum of its proper divisors (271905).

11690023 is an equidigital number, since it uses as much as digits as its factorization.

11690023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271904.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 11690023 is about 3419.0675629475. The cubic root of 11690023 is about 226.9543207328.

Adding to 11690023 its reverse (32009611), we get a palindrome (43699634).

The spelling of 11690023 in words is "eleven million, six hundred ninety thousand, twenty-three".