23833478838 has 96 divisors (see below), whose sum is σ = 53815421952. Its totient is φ = 7025616000.

The previous prime is 23833478777. The next prime is 23833478839. The reversal of 23833478838 is 83887433832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23833478839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3171081 + ... + 3178587.

It is an arithmetic number, because the mean of its divisors is an integer number (560577312).

Almost surely, 2^23833478838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23833478838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26907710976).

23833478838 is an abundant number, since it is smaller than the sum of its proper divisors (29981943114).

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

23833478838 is a wasteful number, since it uses less digits than its factorization.

23833478838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670 (or 7657 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 57.

The spelling of 23833478838 in words is "twenty-three billion, eight hundred thirty-three million, four hundred seventy-eight thousand, eight hundred thirty-eight".