23436543155 has 8 divisors (see below), whose sum is σ = 28600527600. Its totient is φ = 18431450656.

The previous prime is 23436543133. The next prime is 23436543199. The reversal of 23436543155 is 55134563432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23436543155 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39722660 + ... + 39723249.

It is an arithmetic number, because the mean of its divisors is an integer number (3575065950).

Almost surely, 2^23436543155 is an apocalyptic number.

23436543155 is a deficient number, since it is larger than the sum of its proper divisors (5163984445).

23436543155 is an equidigital number, since it uses as much as digits as its factorization.

23436543155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79445973.

The product of its digits is 648000, while the sum is 41.

The spelling of 23436543155 in words is "twenty-three billion, four hundred thirty-six million, five hundred forty-three thousand, one hundred fifty-five".