23893439832 has 128 divisors (see below), whose sum is σ = 67648089600. Its totient is φ = 7812664704.

The previous prime is 23893439789. The next prime is 23893439879.

23893439832 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2375518 + ... + 2385554.

It is an arithmetic number, because the mean of its divisors is an integer number (528500700).

Almost surely, 2^23893439832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23893439832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33824044800).

23893439832 is an abundant number, since it is smaller than the sum of its proper divisors (43754649768).

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

23893439832 is a wasteful number, since it uses less digits than its factorization.

23893439832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262 (or 10252 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 23893439832 in words is "twenty-three billion, eight hundred ninety-three million, four hundred thirty-nine thousand, eight hundred thirty-two".