23240322340 has 96 divisors (see below), whose sum is σ = 53486939520. Its totient is φ = 8451081216.

The previous prime is 23240322323. The next prime is 23240322341. The reversal of 23240322340 is 4322304232.

It is a super-2 number, since 2×23240322340² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23240322341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015059 + ... + 1037701.

It is an arithmetic number, because the mean of its divisors is an integer number (557155620).

Almost surely, 2^23240322340 is an apocalyptic number.

23240322340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23240322340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26743469760).

23240322340 is an abundant number, since it is smaller than the sum of its proper divisors (30246617180).

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

23240322340 is a wasteful number, since it uses less digits than its factorization.

23240322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22781 (or 22779 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 23240322340 its reverse (4322304232), we get a palindrome (27562626572).

The spelling of 23240322340 in words is "twenty-three billion, two hundred forty million, three hundred twenty-two thousand, three hundred forty".