23503442 has 8 divisors (see below), whose sum is σ = 35680176. Its totient is φ = 11610052.

The previous prime is 23503439. The next prime is 23503451. The reversal of 23503442 is 24430532.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70628 + ... + 70959.

It is an arithmetic number, because the mean of its divisors is an integer number (4460022).

Almost surely, 2^23503442 is an apocalyptic number.

23503442 is a deficient number, since it is larger than the sum of its proper divisors (12176734).

23503442 is a wasteful number, since it uses less digits than its factorization.

23503442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141672.

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

The square root of 23503442 is about 4848.0348596106. The cubic root of 23503442 is about 286.4466995336.

Adding to 23503442 its reverse (24430532), we get a palindrome (47933974).

The spelling of 23503442 in words is "twenty-three million, five hundred three thousand, four hundred forty-two".