23507042 has 8 divisors (see below), whose sum is σ = 37972956. Its totient is φ = 10849392.

The previous prime is 23506997. The next prime is 23507053. The reversal of 23507042 is 24070532.

It can be written as a sum of positive squares in 2 ways, for example, as 21169201 + 2337841 = 4601^2 + 1529^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23506999 and 23507017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452033 + ... + 452084.

Almost surely, 2^23507042 is an apocalyptic number.

23507042 is a deficient number, since it is larger than the sum of its proper divisors (14465914).

23507042 is a wasteful number, since it uses less digits than its factorization.

23507042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904132.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 23507042 is about 4848.4061298534. The cubic root of 23507042 is about 286.4613237103.

Adding to 23507042 its reverse (24070532), we get a palindrome (47577574).

The spelling of 23507042 in words is "twenty-three million, five hundred seven thousand, forty-two".