23729223 has 8 divisors (see below), whose sum is σ = 36158848. Its totient is φ = 13559544.

The previous prime is 23729177. The next prime is 23729231. The reversal of 23729223 is 32292732.

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

It is not a de Polignac number, because 23729223 - 2⁹ = 23728711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23729023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 564961 + ... + 565002.

It is an arithmetic number, because the mean of its divisors is an integer number (4519856).

Almost surely, 2^23729223 is an apocalyptic number.

23729223 is a deficient number, since it is larger than the sum of its proper divisors (12429625).

23729223 is a wasteful number, since it uses less digits than its factorization.

23729223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129973.

The product of its digits is 9072, while the sum is 30.

The square root of 23729223 is about 4871.2650307697. The cubic root of 23729223 is about 287.3610085560.

The spelling of 23729223 in words is "twenty-three million, seven hundred twenty-nine thousand, two hundred twenty-three".