11423965 has 16 divisors (see below), whose sum is σ = 16174080. Its totient is φ = 7580160.

The previous prime is 11423933. The next prime is 11423977. The reversal of 11423965 is 56932411.

It is not a de Polignac number, because 11423965 - 2⁵ = 11423933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4180 + ... + 6349.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 2^11423965 is an apocalyptic number.

It is an amenable number.

11423965 is a deficient number, since it is larger than the sum of its proper divisors (4750115).

11423965 is a wasteful number, since it uses less digits than its factorization.

11423965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572.

The product of its digits is 6480, while the sum is 31.

The square root of 11423965 is about 3379.9356502750. The cubic root of 11423965 is about 225.2193088027.

The spelling of 11423965 in words is "eleven million, four hundred twenty-three thousand, nine hundred sixty-five".