23429537280 has 320 divisors, whose sum is σ = 85169905920. Its totient is φ = 6101803008.

The previous prime is 23429537251. The next prime is 23429537303. The reversal of 23429537280 is 8273592432.

23429537280 is a `hidden beast` number, since 2 + 34 + 2 + 9 + 537 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2968219 + ... + 2976101.

It is an arithmetic number, because the mean of its divisors is an integer number (266155956).

Almost surely, 2^23429537280 is an apocalyptic number.

23429537280 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 23429537280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42584952960).

23429537280 is an abundant number, since it is smaller than the sum of its proper divisors (61740368640).

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

23429537280 is an equidigital number, since it uses as much as digits as its factorization.

23429537280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958 (or 7936 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 23429537280 in words is "twenty-three billion, four hundred twenty-nine million, five hundred thirty-seven thousand, two hundred eighty".