11433423 has 4 divisors (see below), whose sum is σ = 15244568. Its totient is φ = 7622280.

The previous prime is 11433419. The next prime is 11433427. The reversal of 11433423 is 32433411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32433411 = 3 ⋅10811137.

It is an interprime number because it is at equal distance from previous prime (11433419) and next prime (11433427).

It is not a de Polignac number, because 11433423 - 2² = 11433419 is a prime.

It is a super-2 number, since 2×11433423² = 261446322993858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11433423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11433427) 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, 1905568 + ... + 1905573.

It is an arithmetic number, because the mean of its divisors is an integer number (3811142).

Almost surely, 2^11433423 is an apocalyptic number.

11433423 is a deficient number, since it is larger than the sum of its proper divisors (3811145).

11433423 is an equidigital number, since it uses as much as digits as its factorization.

11433423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811144.

The product of its digits is 864, while the sum is 21.

The square root of 11433423 is about 3381.3344998684. The cubic root of 11433423 is about 225.2814453331.

Adding to 11433423 its reverse (32433411), we get a palindrome (43866834).

The spelling of 11433423 in words is "eleven million, four hundred thirty-three thousand, four hundred twenty-three".