23531151043303 has 4 divisors (see below), whose sum is σ = 23531161582240. Its totient is φ = 23531140504368.

The previous prime is 23531151043289. The next prime is 23531151043319. The reversal of 23531151043303 is 30334015113532.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23531151043303 is a prime.

It is a super-2 number, since 2×23531151043303² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23531151043333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452550 + ... + 6875107.

It is an arithmetic number, because the mean of its divisors is an integer number (5882790395560).

Almost surely, 2^{23531151043303} is an apocalyptic number.

23531151043303 is a deficient number, since it is larger than the sum of its proper divisors (10538937).

23531151043303 is an equidigital number, since it uses as much as digits as its factorization.

23531151043303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538936.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 23531151043303 its reverse (30334015113532), we get a palindrome (53865166156835).

The spelling of 23531151043303 in words is "twenty-three trillion, five hundred thirty-one billion, one hundred fifty-one million, forty-three thousand, three hundred three".