23533360042 has 4 divisors (see below), whose sum is σ = 35300040066. Its totient is φ = 11766680020.

The previous prime is 23533360001. The next prime is 23533360141. The reversal of 23533360042 is 24006333532.

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., 21963536401 + 1569823641 = 148201^2 + 39621^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23533359986 and 23533360013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883340009 + ... + 5883340012.

Almost surely, 2^23533360042 is an apocalyptic number.

23533360042 is a deficient number, since it is larger than the sum of its proper divisors (11766680024).

23533360042 is a wasteful number, since it uses less digits than its factorization.

23533360042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11766680023.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 23533360042 its reverse (24006333532), we get a palindrome (47539693574).

The spelling of 23533360042 in words is "twenty-three billion, five hundred thirty-three million, three hundred sixty thousand, forty-two".