23450273280 has 640 divisors, whose sum is σ = 100832117760. Its totient is φ = 5042995200.

The previous prime is 23450273239. The next prime is 23450273291. The reversal of 23450273280 is 8237205432.

23450273280 is a `hidden beast` number, since 2 + 3 + 4 + 502 + 73 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 8223855 + ... + 8226705.

It is an arithmetic number, because the mean of its divisors is an integer number (157550184).

Almost surely, 2^23450273280 is an apocalyptic number.

23450273280 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 23450273280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50416058880).

23450273280 is an abundant number, since it is smaller than the sum of its proper divisors (77381844480).

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

23450273280 is a wasteful number, since it uses less digits than its factorization.

23450273280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 23450273280 in words is "twenty-three billion, four hundred fifty million, two hundred seventy-three thousand, two hundred eighty".