23021270713 has 12 divisors (see below), whose sum is σ = 27767645760. Its totient is φ = 18693962136.

The previous prime is 23021270677. The next prime is 23021270803. The reversal of 23021270713 is 31707212032.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23021270713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23021270213) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4552533 + ... + 4557586.

It is an arithmetic number, because the mean of its divisors is an integer number (2313970480).

Almost surely, 2^23021270713 is an apocalyptic number.

It is an amenable number.

23021270713 is a deficient number, since it is larger than the sum of its proper divisors (4746375047).

23021270713 is an equidigital number, since it uses as much as digits as its factorization.

23021270713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110164 (or 9110145 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

Adding to 23021270713 its reverse (31707212032), we get a palindrome (54728482745).

The spelling of 23021270713 in words is "twenty-three billion, twenty-one million, two hundred seventy thousand, seven hundred thirteen".