23147398 has 4 divisors (see below), whose sum is σ = 34721100. Its totient is φ = 11573698.

The previous prime is 23147393. The next prime is 23147413. The reversal of 23147398 is 89374132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23147393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786848 + ... + 5786851.

It is an arithmetic number, because the mean of its divisors is an integer number (8680275).

Almost surely, 2^23147398 is an apocalyptic number.

23147398 is a deficient number, since it is larger than the sum of its proper divisors (11573702).

23147398 is a wasteful number, since it uses less digits than its factorization.

23147398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11573701.

The product of its digits is 36288, while the sum is 37.

The square root of 23147398 is about 4811.1742849329. The cubic root of 23147398 is about 284.9929125148.

The spelling of 23147398 in words is "twenty-three million, one hundred forty-seven thousand, three hundred ninety-eight".