23141147 has 4 divisors (see below), whose sum is σ = 23420040. Its totient is φ = 22862256.

The previous prime is 23141141. The next prime is 23141177. The reversal of 23141147 is 74114132.

It is a happy number.

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 23141147 - 2⁸ = 23140891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23141141) 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, 139322 + ... + 139487.

It is an arithmetic number, because the mean of its divisors is an integer number (5855010).

Almost surely, 2^23141147 is an apocalyptic number.

23141147 is a deficient number, since it is larger than the sum of its proper divisors (278893).

23141147 is an equidigital number, since it uses as much as digits as its factorization.

23141147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278892.

The product of its digits is 672, while the sum is 23.

The square root of 23141147 is about 4810.5246075662. The cubic root of 23141147 is about 284.9672559078.

Adding to 23141147 its reverse (74114132), we get a palindrome (97255279).

The spelling of 23141147 in words is "twenty-three million, one hundred forty-one thousand, one hundred forty-seven".