23345642 has 16 divisors (see below), whose sum is σ = 36981600. Its totient is φ = 11022480.

The previous prime is 23345639. The next prime is 23345653. The reversal of 23345642 is 24654332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13592 + ... + 15212.

It is an arithmetic number, because the mean of its divisors is an integer number (2311350).

Almost surely, 2^23345642 is an apocalyptic number.

23345642 is a deficient number, since it is larger than the sum of its proper divisors (13635958).

23345642 is a wasteful number, since it uses less digits than its factorization.

23345642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its digits is 17280, while the sum is 29.

The square root of 23345642 is about 4831.7328154607. The cubic root of 23345642 is about 285.8042003436.

Adding to 23345642 its reverse (24654332), we get a palindrome (47999974).

The spelling of 23345642 in words is "twenty-three million, three hundred forty-five thousand, six hundred forty-two".