23124432340 has 24 divisors (see below), whose sum is σ = 48592051200. Its totient is φ = 9243917088.

The previous prime is 23124432319. The next prime is 23124432343. The reversal of 23124432340 is 4323442132.

It is a junction number, because it is equal to n+sod(n) for n = 23124432299 and 23124432308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23124432343) 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 7 ways as a sum of consecutive naturals, for example, 333540 + ... + 396859.

It is an arithmetic number, because the mean of its divisors is an integer number (2024668800).

Almost surely, 2^23124432340 is an apocalyptic number.

23124432340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23124432340 is an abundant number, since it is smaller than the sum of its proper divisors (25467618860).

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

23124432340 is a wasteful number, since it uses less digits than its factorization.

23124432340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731991 (or 731989 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23124432340 its reverse (4323442132), we get a palindrome (27447874472).

The spelling of 23124432340 in words is "twenty-three billion, one hundred twenty-four million, four hundred thirty-two thousand, three hundred forty".