23224352131 has 4 divisors (see below), whose sum is σ = 23259594600. Its totient is φ = 23189109664.

The previous prime is 23224352117. The next prime is 23224352147. The reversal of 23224352131 is 13125342232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23224352131 - 2¹³ = 23224343939 is a prime.

It is a super-2 number, since 2×23224352131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23224352131.

It is not an unprimeable number, because it can be changed into a prime (23224352111) 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, 17620246 + ... + 17621563.

It is an arithmetic number, because the mean of its divisors is an integer number (5814898650).

Almost surely, 2^23224352131 is an apocalyptic number.

23224352131 is a deficient number, since it is larger than the sum of its proper divisors (35242469).

23224352131 is an equidigital number, since it uses as much as digits as its factorization.

23224352131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35242468.

The product of its digits is 8640, while the sum is 28.

Adding to 23224352131 its reverse (13125342232), we get a palindrome (36349694363).

The spelling of 23224352131 in words is "twenty-three billion, two hundred twenty-four million, three hundred fifty-two thousand, one hundred thirty-one".