23662042 has 4 divisors (see below), whose sum is σ = 35493066. Its totient is φ = 11831020.

The previous prime is 23662039. The next prime is 23662069. The reversal of 23662042 is 24026632.

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., 15928081 + 7733961 = 3991^2 + 2781^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23661998 and 23662016.

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 as a sum of consecutive naturals, namely, 5915509 + ... + 5915512.

Almost surely, 2^23662042 is an apocalyptic number.

23662042 is a deficient number, since it is larger than the sum of its proper divisors (11831024).

23662042 is a wasteful number, since it uses less digits than its factorization.

23662042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831023.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 23662042 is about 4864.3645011450. The cubic root of 23662042 is about 287.0895648139.

Adding to 23662042 its reverse (24026632), we get a palindrome (47688674).

The spelling of 23662042 in words is "twenty-three million, six hundred sixty-two thousand, forty-two".