23642042 has 8 divisors (see below), whose sum is σ = 37329600. Its totient is φ = 11198844.

The previous prime is 23642041. The next prime is 23642051. The reversal of 23642042 is 24024632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×23642042³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 23641999 and 23642017.

It is not an unprimeable number, because it can be changed into a prime (23642041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311042 + ... + 311117.

It is an arithmetic number, because the mean of its divisors is an integer number (4666200).

Almost surely, 2^23642042 is an apocalyptic number.

23642042 is a deficient number, since it is larger than the sum of its proper divisors (13687558).

23642042 is a wasteful number, since it uses less digits than its factorization.

23642042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622180.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 23642042 is about 4862.3082995631. The cubic root of 23642042 is about 287.0086559081.

Adding to 23642042 its reverse (24024632), we get a palindrome (47666674).

The spelling of 23642042 in words is "twenty-three million, six hundred forty-two thousand, forty-two".