23828997285 has 16 divisors (see below), whose sum is σ = 42362662080. Its totient is φ = 12708798480.

The previous prime is 23828997253. The next prime is 23828997341. The reversal of 23828997285 is 58279982832.

It is not a de Polignac number, because 23828997285 - 2⁵ = 23828997253 is a prime.

It is a super-2 number, since 2×23828997285² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88255411 + ... + 88255680.

It is an arithmetic number, because the mean of its divisors is an integer number (2647666380).

Almost surely, 2^23828997285 is an apocalyptic number.

It is an amenable number.

23828997285 is a deficient number, since it is larger than the sum of its proper divisors (18533664795).

23828997285 is a wasteful number, since it uses less digits than its factorization.

23828997285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176511105 (or 176511099 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 23828997285 in words is "twenty-three billion, eight hundred twenty-eight million, nine hundred ninety-seven thousand, two hundred eighty-five".