11649023 has 2 divisors, whose sum is σ = 11649024. Its totient is φ = 11649022.

The previous prime is 11649013. The next prime is 11649049. The reversal of 11649023 is 32094611.

It is an a-pointer prime, because the next prime (11649049) can be obtained adding 11649023 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11649023 - 2⁴ = 11649007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11648983 and 11649001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11649013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5824511 + 5824512.

It is an arithmetic number, because the mean of its divisors is an integer number (5824512).

Almost surely, 2^11649023 is an apocalyptic number.

11649023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11649023 is an equidigital number, since it uses as much as digits as its factorization.

11649023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 11649023 is about 3413.0665097534. The cubic root of 11649023 is about 226.6886803399.

The spelling of 11649023 in words is "eleven million, six hundred forty-nine thousand, twenty-three".