23542042 has 8 divisors (see below), whose sum is σ = 37390356.
Its totient is φ = 11078592.
The previous prime is 23542039. The next prime is 23542063. The reversal of 23542042 is 24024532.
Adding to 23542042 its reverse (24024532), we get a palindrome (47566574).
It can be written as a sum of positive squares in 2 ways, for example, as 23512801 + 29241 = 4849^2 + 171^2
It is a sphenic number, since it is the product of 3 distinct primes.
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 in 3 ways as a sum of consecutive naturals, for example, 346173 + ... + 346240.
Almost surely, 223542042 is an apocalyptic number.
23542042 is a deficient number, since it is larger than the sum of its proper divisors (13848314).
23542042 is a wasteful number, since it uses less digits than its factorization.
23542042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 692432.
The product of its (nonzero) digits is 1920, while the sum is 22.
The square root of 23542042 is about 4852.0142209190.
The cubic root of 23542042 is about 286.6034254461.
The spelling of 23542042 in words is "twenty-three million, five hundred forty-two thousand, forty-two".