23150447 has 4 divisors (see below), whose sum is σ = 24512256. Its totient is φ = 21788640.

The previous prime is 23150437. The next prime is 23150467. The reversal of 23150447 is 74405132.

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 23150447 - 2⁴ = 23150431 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 (23150437) 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, 680879 + ... + 680912.

It is an arithmetic number, because the mean of its divisors is an integer number (6128064).

Almost surely, 2^23150447 is an apocalyptic number.

23150447 is a deficient number, since it is larger than the sum of its proper divisors (1361809).

23150447 is a wasteful number, since it uses less digits than its factorization.

23150447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361808.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 23150447 is about 4811.4911410082. The cubic root of 23150447 is about 285.0054251558.

Adding to 23150447 its reverse (74405132), we get a palindrome (97555579).

The spelling of 23150447 in words is "twenty-three million, one hundred fifty thousand, four hundred forty-seven".