23418424 has 8 divisors (see below), whose sum is σ = 43909560. Its totient is φ = 11709208.

The previous prime is 23418413. The next prime is 23418509. The reversal of 23418424 is 42481432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 23418392 and 23418401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1463644 + ... + 1463659.

It is an arithmetic number, because the mean of its divisors is an integer number (5488695).

Almost surely, 2^23418424 is an apocalyptic number.

It is an amenable number.

23418424 is a deficient number, since it is larger than the sum of its proper divisors (20491136).

23418424 is a wasteful number, since it uses less digits than its factorization.

23418424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927309 (or 2927305 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 23418424 is about 4839.2586209047. The cubic root of 23418424 is about 286.1008984307.

Adding to 23418424 its reverse (42481432), we get a palindrome (65899856).

The spelling of 23418424 in words is "twenty-three million, four hundred eighteen thousand, four hundred twenty-four".