23401015543 has 8 divisors (see below), whose sum is σ = 24638203520. Its totient is φ = 22164383160.

The previous prime is 23401015537. The next prime is 23401015579. The reversal of 23401015543 is 34551010432.

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

It is a cyclic number.

It is not a de Polignac number, because 23401015543 - 2²⁹ = 22864144631 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 (23401015943) 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, 51003 + ... + 222268.

It is an arithmetic number, because the mean of its divisors is an integer number (3079775440).

Almost surely, 2^23401015543 is an apocalyptic number.

23401015543 is a deficient number, since it is larger than the sum of its proper divisors (1237187977).

23401015543 is a wasteful number, since it uses less digits than its factorization.

23401015543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277797.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 23401015543 its reverse (34551010432), we get a palindrome (57952025975).

The spelling of 23401015543 in words is "twenty-three billion, four hundred one million, fifteen thousand, five hundred forty-three".