23097847 has 4 divisors (see below), whose sum is σ = 23112856. Its totient is φ = 23082840.

The previous prime is 23097839. The next prime is 23097869. The reversal of 23097847 is 74879032.

23097847 is nontrivially palindromic in base 12.

23097847 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

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 23097847 - 2³ = 23097839 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 (23097817) 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, 4893 + ... + 8374.

It is an arithmetic number, because the mean of its divisors is an integer number (5778214).

Almost surely, 2^23097847 is an apocalyptic number.

23097847 is a deficient number, since it is larger than the sum of its proper divisors (15009).

23097847 is a wasteful number, since it uses less digits than its factorization.

23097847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 23097847 is about 4806.0219516769. The cubic root of 23097847 is about 284.7894083968.

The spelling of 23097847 in words is "twenty-three million, ninety-seven thousand, eight hundred forty-seven".