23720546 has 8 divisors (see below), whose sum is σ = 36112080. Its totient is φ = 11683188.

The previous prime is 23720533. The next prime is 23720561. The reversal of 23720546 is 64502732.

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, 88376 + ... + 88643.

It is an arithmetic number, because the mean of its divisors is an integer number (4514010).

Almost surely, 2^23720546 is an apocalyptic number.

23720546 is a deficient number, since it is larger than the sum of its proper divisors (12391534).

23720546 is a wasteful number, since it uses less digits than its factorization.

23720546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177088.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 23720546 is about 4870.3743182634. The cubic root of 23720546 is about 287.3259781148.

The spelling of 23720546 in words is "twenty-three million, seven hundred twenty thousand, five hundred forty-six".