23394287280 has 320 divisors, whose sum is σ = 89432275968. Its totient is φ = 4926320640.

The previous prime is 23394287261. The next prime is 23394287311. The reversal of 23394287280 is 8278249332.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19808290 + ... + 19809470.

Almost surely, 2^23394287280 is an apocalyptic number.

23394287280 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 23394287280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44716137984).

23394287280 is an abundant number, since it is smaller than the sum of its proper divisors (66037988688).

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

23394287280 is a wasteful number, since it uses less digits than its factorization.

23394287280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 23394287280 in words is "twenty-three billion, three hundred ninety-four million, two hundred eighty-seven thousand, two hundred eighty".