23642300042 has 4 divisors (see below), whose sum is σ = 35463450066. Its totient is φ = 11821150020.

The previous prime is 23642299999. The next prime is 23642300111. The reversal of 23642300042 is 24000324632.

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., 22961037841 + 681262201 = 151529^2 + 26101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23642299984 and 23642300020.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5910575009 + ... + 5910575012.

Almost surely, 2^23642300042 is an apocalyptic number.

23642300042 is a deficient number, since it is larger than the sum of its proper divisors (11821150024).

23642300042 is a wasteful number, since it uses less digits than its factorization.

23642300042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11821150023.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 23642300042 its reverse (24000324632), we get a palindrome (47642624674).

The spelling of 23642300042 in words is "twenty-three billion, six hundred forty-two million, three hundred thousand, forty-two".