123232447 has 4 divisors (see below), whose sum is σ = 132711880. Its totient is φ = 113753016.

The previous prime is 123232441. The next prime is 123232469. The reversal of 123232447 is 744232321.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-123232447 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 (123232441) 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, 4739697 + ... + 4739722.

It is an arithmetic number, because the mean of its divisors is an integer number (33177970).

Almost surely, 2^123232447 is an apocalyptic number.

123232447 is a deficient number, since it is larger than the sum of its proper divisors (9479433).

123232447 is an equidigital number, since it uses as much as digits as its factorization.

123232447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479432.

The product of its digits is 8064, while the sum is 28.

The square root of 123232447 is about 11101.0110800773. The cubic root of 123232447 is about 497.6320661482.

Adding to 123232447 its reverse (744232321), we get a palindrome (867464768).

The spelling of 123232447 in words is "one hundred twenty-three million, two hundred thirty-two thousand, four hundred forty-seven".