23210304240 has 160 divisors (see below), whose sum is σ = 77786449920. Its totient is φ = 5705137152.

The previous prime is 23210304211. The next prime is 23210304241. The reversal of 23210304240 is 4240301232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210304241) 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, 99937 + ... + 237503.

It is an arithmetic number, because the mean of its divisors is an integer number (486165312).

Almost surely, 2^23210304240 is an apocalyptic number.

23210304240 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 23210304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38893224960).

23210304240 is an abundant number, since it is smaller than the sum of its proper divisors (54576145680).

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

23210304240 is a wasteful number, since it uses less digits than its factorization.

23210304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137639 (or 137633 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23210304240 its reverse (4240301232), we get a palindrome (27450605472).

The spelling of 23210304240 in words is "twenty-three billion, two hundred ten million, three hundred four thousand, two hundred forty".