23533535432 has 64 divisors (see below), whose sum is σ = 50702803200. Its totient is φ = 10127557440.

The previous prime is 23533535423. The next prime is 23533535453. The reversal of 23533535432 is 23453533532.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 3345503 + ... + 3352529.

It is an arithmetic number, because the mean of its divisors is an integer number (792231300).

Almost surely, 2^23533535432 is an apocalyptic number.

23533535432 is a gapful number since it is divisible by the number (22) 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 23533535432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25351401600).

23533535432 is an abundant number, since it is smaller than the sum of its proper divisors (27169267768).

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

23533535432 is a wasteful number, since it uses less digits than its factorization.

23533535432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9066 (or 9062 counting only the distinct ones).

The product of its digits is 486000, while the sum is 38.

The spelling of 23533535432 in words is "twenty-three billion, five hundred thirty-three million, five hundred thirty-five thousand, four hundred thirty-two".