23032212840 has 384 divisors, whose sum is σ = 96181344000. Its totient is φ = 4859398656.

The previous prime is 23032212839. The next prime is 23032212859. The reversal of 23032212840 is 4821223032.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 95 ways as a sum of consecutive naturals, for example, 671221 + ... + 704699.

It is an arithmetic number, because the mean of its divisors is an integer number (250472250).

Almost surely, 2^23032212840 is an apocalyptic number.

23032212840 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 23032212840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48090672000).

23032212840 is an abundant number, since it is smaller than the sum of its proper divisors (73149131160).

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

23032212840 is a wasteful number, since it uses less digits than its factorization.

23032212840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33526 (or 33509 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 23032212840 its reverse (4821223032), we get a palindrome (27853435872).

The spelling of 23032212840 in words is "twenty-three billion, thirty-two million, two hundred twelve thousand, eight hundred forty".