23140221324 has 48 divisors (see below), whose sum is σ = 59263800960. Its totient is φ = 6969162240.

The previous prime is 23140221323. The next prime is 23140221361. The reversal of 23140221324 is 42312204132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23140221294 and 23140221303.

It is not an unprimeable number, because it can be changed into a prime (23140221323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516229 + ... + 559260.

It is an arithmetic number, because the mean of its divisors is an integer number (1234662520).

Almost surely, 2^23140221324 is an apocalyptic number.

It is an amenable number.

23140221324 is an abundant number, since it is smaller than the sum of its proper divisors (36123579636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23140221324 is a wasteful number, since it uses less digits than its factorization.

23140221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075670 (or 1075668 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23140221324 its reverse (42312204132), we get a palindrome (65452425456).

The spelling of 23140221324 in words is "twenty-three billion, one hundred forty million, two hundred twenty-one thousand, three hundred twenty-four".