23642066 has 16 divisors (see below), whose sum is σ = 40851456. Its totient is φ = 10051776.

The previous prime is 23642063. The next prime is 23642107. The reversal of 23642066 is 66024632.

It is not an unprimeable number, because it can be changed into a prime (23642063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 8426.

It is an arithmetic number, because the mean of its divisors is an integer number (2553216).

Almost surely, 2^23642066 is an apocalyptic number.

23642066 is a deficient number, since it is larger than the sum of its proper divisors (17209390).

23642066 is a wasteful number, since it uses less digits than its factorization.

23642066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 23642066 is about 4862.3107675261. The cubic root of 23642066 is about 287.0087530262.

Adding to 23642066 its reverse (66024632), we get a palindrome (89666698).

The spelling of 23642066 in words is "twenty-three million, six hundred forty-two thousand, sixty-six".