11667023 has 4 divisors (see below), whose sum is σ = 11678040. Its totient is φ = 11656008.

The previous prime is 11667017. The next prime is 11667037. The reversal of 11667023 is 32076611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11667023 - 2¹² = 11662927 is a prime.

It is a super-2 number, since 2×11667023² = 272238851365058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11666983 and 11667001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (2919510).

Almost surely, 2^11667023 is an apocalyptic number.

11667023 is a deficient number, since it is larger than the sum of its proper divisors (11017).

11667023 is an equidigital number, since it uses as much as digits as its factorization.

11667023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 11667023 is about 3415.7024167805. The cubic root of 11667023 is about 226.8053795795.

It can be divided in two parts, 1166 and 7023, that multiplied together give a palindrome (8188818).

The spelling of 11667023 in words is "eleven million, six hundred sixty-seven thousand, twenty-three".