23112543 has 8 divisors (see below), whose sum is σ = 31533568. Its totient is φ = 15049944.

The previous prime is 23112527. The next prime is 23112547. The reversal of 23112543 is 34521132.

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

It is not a de Polignac number, because 23112543 - 2⁴ = 23112527 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 (23112547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89455 + ... + 89712.

It is an arithmetic number, because the mean of its divisors is an integer number (3941696).

Almost surely, 2^23112543 is an apocalyptic number.

23112543 is a deficient number, since it is larger than the sum of its proper divisors (8421025).

23112543 is a wasteful number, since it uses less digits than its factorization.

23112543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179213.

The product of its digits is 720, while the sum is 21.

The square root of 23112543 is about 4807.5506237584. The cubic root of 23112543 is about 284.8497946576.

Adding to 23112543 its reverse (34521132), we get a palindrome (57633675).

It can be divided in two parts, 231125 and 43, that multiplied together give a cube (9938375 = 215³).

The spelling of 23112543 in words is "twenty-three million, one hundred twelve thousand, five hundred forty-three".