23847423 has 4 divisors (see below), whose sum is σ = 31796568. Its totient is φ = 15898280.

The previous prime is 23847419. The next prime is 23847437. The reversal of 23847423 is 32474832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23847423 - 2² = 23847419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23847443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974568 + ... + 3974573.

It is an arithmetic number, because the mean of its divisors is an integer number (7949142).

Almost surely, 2^23847423 is an apocalyptic number.

23847423 is a deficient number, since it is larger than the sum of its proper divisors (7949145).

23847423 is an equidigital number, since it uses as much as digits as its factorization.

23847423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949144.

The product of its digits is 32256, while the sum is 33.

The square root of 23847423 is about 4883.3823319499. The cubic root of 23847423 is about 287.8373527035.

The spelling of 23847423 in words is "twenty-three million, eight hundred forty-seven thousand, four hundred twenty-three".