23543042 has 8 divisors (see below), whose sum is σ = 35500032. Its totient is φ = 11709700.

The previous prime is 23543029. The next prime is 23543089. The reversal of 23543042 is 24034532.

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

It is a super-2 number, since 2×23543042² = 1108549653227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23542999 and 23543017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30434 + ... + 31197.

It is an arithmetic number, because the mean of its divisors is an integer number (4437504).

Almost surely, 2^23543042 is an apocalyptic number.

23543042 is a deficient number, since it is larger than the sum of its proper divisors (11956990).

23543042 is a wasteful number, since it uses less digits than its factorization.

23543042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61824.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 23543042 is about 4852.1172698112. The cubic root of 23543042 is about 286.6074834256.

Adding to 23543042 its reverse (24034532), we get a palindrome (47577574).

The spelling of 23543042 in words is "twenty-three million, five hundred forty-three thousand, forty-two".