23011153543 has 8 divisors (see below), whose sum is σ = 26593950240. Its totient is φ = 19502229120.

The previous prime is 23011153519. The next prime is 23011153559. The reversal of 23011153543 is 34535111032.

It is a happy number.

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 23011153543 - 2⁵ = 23011153511 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 (23011153843) 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, 18467398 + ... + 18468643.

It is an arithmetic number, because the mean of its divisors is an integer number (3324243780).

Almost surely, 2^23011153543 is an apocalyptic number.

23011153543 is a deficient number, since it is larger than the sum of its proper divisors (3582796697).

23011153543 is an equidigital number, since it uses as much as digits as its factorization.

23011153543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36936137.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 23011153543 its reverse (34535111032), we get a palindrome (57546264575).

The spelling of 23011153543 in words is "twenty-three billion, eleven million, one hundred fifty-three thousand, five hundred forty-three".