23545222657831 has 24 divisors (see below), whose sum is σ = 28914940337280. Its totient is φ = 19119428665848.

The previous prime is 23545222657751. The next prime is 23545222657841. The reversal of 23545222657831 is 13875622254532.

It is not a de Polignac number, because 23545222657831 - 2⁴¹ = 21346199402279 is a prime.

It is a super-2 number, since 2×23545222657831² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23545222657841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36546921 + ... + 37185586.

It is an arithmetic number, because the mean of its divisors is an integer number (1204789180720).

Almost surely, 2^{23545222657831} is an apocalyptic number.

23545222657831 is a deficient number, since it is larger than the sum of its proper divisors (5369717679449).

23545222657831 is an frugal number, since it uses more digits than its factorization.

23545222657831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73732561 (or 73732533 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 55.

The spelling of 23545222657831 in words is "twenty-three trillion, five hundred forty-five billion, two hundred twenty-two million, six hundred fifty-seven thousand, eight hundred thirty-one".