23421454532 has 96 divisors (see below), whose sum is σ = 48639360000. Its totient is φ = 9862594560.

The previous prime is 23421454477. The next prime is 23421454543. The reversal of 23421454532 is 23545412432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23421454492 and 23421454501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30456644 + ... + 30457412.

It is an arithmetic number, because the mean of its divisors is an integer number (506660000).

Almost surely, 2^23421454532 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 23421454532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24319680000).

23421454532 is an abundant number, since it is smaller than the sum of its proper divisors (25217905468).

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

23421454532 is a wasteful number, since it uses less digits than its factorization.

23421454532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1138 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 23421454532 its reverse (23545412432), we get a palindrome (46966866964).

The spelling of 23421454532 in words is "twenty-three billion, four hundred twenty-one million, four hundred fifty-four thousand, five hundred thirty-two".