23545047 has 8 divisors (see below), whose sum is σ = 33045760. Its totient is φ = 14870520.

The previous prime is 23545043. The next prime is 23545057. The reversal of 23545047 is 74054532.

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

It is not a de Polignac number, because 23545047 - 2² = 23545043 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 (23545043) 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, 206479 + ... + 206592.

It is an arithmetic number, because the mean of its divisors is an integer number (4130720).

Almost surely, 2^23545047 is an apocalyptic number.

23545047 is a deficient number, since it is larger than the sum of its proper divisors (9500713).

23545047 is a wasteful number, since it uses less digits than its factorization.

23545047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413093.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 23545047 is about 4852.3238762473. The cubic root of 23545047 is about 286.6156193282.

Adding to 23545047 its reverse (74054532), we get a palindrome (97599579).

The spelling of 23545047 in words is "twenty-three million, five hundred forty-five thousand, forty-seven".