23894772048 has 120 divisors (see below), whose sum is σ = 76512174336. Its totient is φ = 6819321600.

The previous prime is 23894772019. The next prime is 23894772067. The reversal of 23894772048 is 84027749832.

It is a happy number.

It is a super-2 number, since 2×23894772048² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23894771985 and 23894772003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 905278 + ... + 931298.

Almost surely, 2^23894772048 is an apocalyptic number.

23894772048 is a gapful number since it is divisible by the number (28) 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 23894772048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38256087168).

23894772048 is an abundant number, since it is smaller than the sum of its proper divisors (52617402288).

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

23894772048 is a wasteful number, since it uses less digits than its factorization.

23894772048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26953 (or 26944 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 23894772048 in words is "twenty-three billion, eight hundred ninety-four million, seven hundred seventy-two thousand, forty-eight".