23304433152 has 640 divisors, whose sum is σ = 87114424320. Its totient is φ = 5336432640.

The previous prime is 23304433111. The next prime is 23304433157. The reversal of 23304433152 is 25133440332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23304433157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35362999 + ... + 35363657.

It is an arithmetic number, because the mean of its divisors is an integer number (136116288).

Almost surely, 2^23304433152 is an apocalyptic number.

23304433152 is a gapful number since it is divisible by the number (22) 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 23304433152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43557212160).

23304433152 is an abundant number, since it is smaller than the sum of its proper divisors (63809991168).

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

23304433152 is a wasteful number, since it uses less digits than its factorization.

23304433152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 23304433152 its reverse (25133440332), we get a palindrome (48437873484).

The spelling of 23304433152 in words is "twenty-three billion, three hundred four million, four hundred thirty-three thousand, one hundred fifty-two".