23423506 has 4 divisors (see below), whose sum is σ = 35135262. Its totient is φ = 11711752.

The previous prime is 23423489. The next prime is 23423527. The reversal of 23423506 is 60532432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 297025 = 4809^2 + 545^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5855875 + ... + 5855878.

Almost surely, 2^23423506 is an apocalyptic number.

23423506 is a deficient number, since it is larger than the sum of its proper divisors (11711756).

23423506 is a wasteful number, since it uses less digits than its factorization.

23423506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11711755.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 23423506 is about 4839.7836728515. The cubic root of 23423506 is about 286.1215923881.

Adding to 23423506 its reverse (60532432), we get a palindrome (83955938).

The spelling of 23423506 in words is "twenty-three million, four hundred twenty-three thousand, five hundred six".