23635142 has 4 divisors (see below), whose sum is σ = 35452716. Its totient is φ = 11817570.

The previous prime is 23635127. The next prime is 23635153. The reversal of 23635142 is 24153632.

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

It is a congruent number.

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, 5908784 + ... + 5908787.

It is an arithmetic number, because the mean of its divisors is an integer number (8863179).

Almost surely, 2^23635142 is an apocalyptic number.

23635142 is a deficient number, since it is larger than the sum of its proper divisors (11817574).

23635142 is a wasteful number, since it uses less digits than its factorization.

23635142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817573.

The product of its digits is 4320, while the sum is 26.

The square root of 23635142 is about 4861.5987082440. The cubic root of 23635142 is about 286.9807317492.

Adding to 23635142 its reverse (24153632), we get a palindrome (47788774).

The spelling of 23635142 in words is "twenty-three million, six hundred thirty-five thousand, one hundred forty-two".