23304421140 has 384 divisors, whose sum is σ = 89988046848. Its totient is φ = 4348753920.

The previous prime is 23304421121. The next prime is 23304421159. The reversal of 23304421140 is 4112440332.

It is an interprime number because it is at equal distance from previous prime (23304421121) and next prime (23304421159).

It is a self number, because there is not a number n which added to its sum of digits gives 23304421140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2216977 + ... + 2227463.

It is an arithmetic number, because the mean of its divisors is an integer number (234343872).

Almost surely, 2^23304421140 is an apocalyptic number.

23304421140 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 23304421140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44994023424).

23304421140 is an abundant number, since it is smaller than the sum of its proper divisors (66683625708).

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

23304421140 is a wasteful number, since it uses less digits than its factorization.

23304421140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10567 (or 10565 counting only the distinct ones).

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

Adding to 23304421140 its reverse (4112440332), we get a palindrome (27416861472).

It can be divided in two parts, 23304 and 421140, that added together give a palindrome (444444).

The spelling of 23304421140 in words is "twenty-three billion, three hundred four million, four hundred twenty-one thousand, one hundred forty".