23124221340 has 96 divisors (see below), whose sum is σ = 70660477440. Its totient is φ = 5603769600.

The previous prime is 23124221333. The next prime is 23124221353. The reversal of 23124221340 is 4312242132.

It is a happy number.

It is a super-2 number, since 2×23124221340² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23124221340.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2449830 + ... + 2459250.

It is an arithmetic number, because the mean of its divisors is an integer number (736046640).

Almost surely, 2^23124221340 is an apocalyptic number.

23124221340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23124221340 is an abundant number, since it is smaller than the sum of its proper divisors (47536256100).

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

23124221340 is a wasteful number, since it uses less digits than its factorization.

23124221340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13163 (or 13161 counting only the distinct ones).

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

Adding to 23124221340 its reverse (4312242132), we get a palindrome (27436463472).

The spelling of 23124221340 in words is "twenty-three billion, one hundred twenty-four million, two hundred twenty-one thousand, three hundred forty".