23054543 has 6 divisors (see below), whose sum is σ = 24332184. Its totient is φ = 21840804.

The previous prime is 23054539. The next prime is 23054561. The reversal of 23054543 is 34545032.

It is not a de Polignac number, because 23054543 - 2² = 23054539 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23054503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31571 + ... + 32292.

It is an arithmetic number, because the mean of its divisors is an integer number (4055364).

Almost surely, 2^23054543 is an apocalyptic number.

23054543 is a deficient number, since it is larger than the sum of its proper divisors (1277641).

23054543 is an equidigital number, since it uses as much as digits as its factorization.

23054543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63901 (or 63882 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 23054543 is about 4801.5146568557. The cubic root of 23054543 is about 284.6113220206.

Adding to 23054543 its reverse (34545032), we get a palindrome (57599575).

The spelling of 23054543 in words is "twenty-three million, fifty-four thousand, five hundred forty-three".