23543234532 has 144 divisors (see below), whose sum is σ = 62219102400. Its totient is φ = 7499692800.

The previous prime is 23543234531. The next prime is 23543234537.

It is a happy number.

23543234532 is a `hidden beast` number, since 23 + 543 + 23 + 45 + 32 = 666.

23543234532 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×23543234532³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23543234531) 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, 18699319 + ... + 18700577.

It is an arithmetic number, because the mean of its divisors is an integer number (432077100).

Almost surely, 2^23543234532 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 23543234532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31109551200).

23543234532 is an abundant number, since it is smaller than the sum of its proper divisors (38675867868).

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

23543234532 is a wasteful number, since it uses less digits than its factorization.

23543234532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1541 counting only the distinct ones).

The product of its digits is 259200, while the sum is 36.

The spelling of 23543234532 in words is "twenty-three billion, five hundred forty-three million, two hundred thirty-four thousand, five hundred thirty-two".