23045547 has 16 divisors (see below), whose sum is σ = 35397632. Its totient is φ = 13063680.

The previous prime is 23045497. The next prime is 23045573. The reversal of 23045547 is 74554032.

It is not a de Polignac number, because 23045547 - 2¹² = 23041451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23045597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1654 + ... + 6987.

It is an arithmetic number, because the mean of its divisors is an integer number (2212352).

Almost surely, 2^23045547 is an apocalyptic number.

23045547 is a deficient number, since it is larger than the sum of its proper divisors (12352085).

23045547 is a wasteful number, since it uses less digits than its factorization.

23045547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8778.

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

The square root of 23045547 is about 4800.5777777263. The cubic root of 23045547 is about 284.5742982759.

Adding to 23045547 its reverse (74554032), we get a palindrome (97599579).

The spelling of 23045547 in words is "twenty-three million, forty-five thousand, five hundred forty-seven".