23146543 has 8 divisors (see below), whose sum is σ = 26482688. Its totient is φ = 19817784.

The previous prime is 23146507. The next prime is 23146547. The reversal of 23146543 is 34564132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23146543 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 (23146547) 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 in 7 ways as a sum of consecutive naturals, for example, 9730 + ... + 11872.

It is an arithmetic number, because the mean of its divisors is an integer number (3310336).

Almost surely, 2^23146543 is an apocalyptic number.

23146543 is a deficient number, since it is larger than the sum of its proper divisors (3336145).

23146543 is a wasteful number, since it uses less digits than its factorization.

23146543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693.

The product of its digits is 8640, while the sum is 28.

The square root of 23146543 is about 4811.0854284662. The cubic root of 23146543 is about 284.9894035252.

The spelling of 23146543 in words is "twenty-three million, one hundred forty-six thousand, five hundred forty-three".