23242747 has 8 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 20637960.

The previous prime is 23242741. The next prime is 23242759. The reversal of 23242747 is 74724232.

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 23242747 - 2⁷ = 23242619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23242741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24097 + ... + 25042.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^23242747 is an apocalyptic number.

23242747 is a deficient number, since it is larger than the sum of its proper divisors (2703173).

23242747 is a wasteful number, since it uses less digits than its factorization.

23242747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49193.

The product of its digits is 18816, while the sum is 31.

The square root of 23242747 is about 4821.0732207673. The cubic root of 23242747 is about 285.3836916836.

Adding to 23242747 its reverse (74724232), we get a palindrome (97966979).

The spelling of 23242747 in words is "twenty-three million, two hundred forty-two thousand, seven hundred forty-seven".