11423445 has 16 divisors (see below), whose sum is σ = 19939392. Its totient is φ = 5538560.

The previous prime is 11423441. The next prime is 11423449. The reversal of 11423445 is 54432411.

It is an interprime number because it is at equal distance from previous prime (11423441) and next prime (11423449).

It is not a de Polignac number, because 11423445 - 2² = 11423441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34452 + ... + 34781.

It is an arithmetic number, because the mean of its divisors is an integer number (1246212).

Almost surely, 2^11423445 is an apocalyptic number.

11423445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11423445 is a deficient number, since it is larger than the sum of its proper divisors (8515947).

11423445 is a wasteful number, since it uses less digits than its factorization.

11423445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69252.

The product of its digits is 1920, while the sum is 24.

The square root of 11423445 is about 3379.8587248582. The cubic root of 11423445 is about 225.2158915474.

Adding to 11423445 its reverse (54432411), we get a palindrome (65855856).

The spelling of 11423445 in words is "eleven million, four hundred twenty-three thousand, four hundred forty-five".