23542403 has 8 divisors (see below), whose sum is σ = 24544080. Its totient is φ = 22553440.

The previous prime is 23542391. The next prime is 23542411. The reversal of 23542403 is 30424532.

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

It is a cyclic number.

It is not a de Polignac number, because 23542403 - 2⁶ = 23542339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23542703) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 701 + ... + 6897.

It is an arithmetic number, because the mean of its divisors is an integer number (3068010).

Almost surely, 2^23542403 is an apocalyptic number.

23542403 is a deficient number, since it is larger than the sum of its proper divisors (1001677).

23542403 is a wasteful number, since it uses less digits than its factorization.

23542403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357.

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

The square root of 23542403 is about 4852.0514218215. The cubic root of 23542403 is about 286.6048903900.

Adding to 23542403 its reverse (30424532), we get a palindrome (53966935).

The spelling of 23542403 in words is "twenty-three million, five hundred forty-two thousand, four hundred three".