23421522512432 has 80 divisors (see below), whose sum is σ = 51134427187200. Its totient is φ = 10296084710400.

The previous prime is 23421522512431. The next prime is 23421522512441.

23421522512432 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×23421522512432³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23421522512431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7091069 + ... + 9855267.

It is an arithmetic number, because the mean of its divisors is an integer number (639180339840).

Almost surely, 2^{23421522512432} is an apocalyptic number.

23421522512432 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 23421522512432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25567213593600).

23421522512432 is an abundant number, since it is smaller than the sum of its proper divisors (27712904674768).

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

23421522512432 is a wasteful number, since it uses less digits than its factorization.

23421522512432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765802 (or 2765796 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 2342152 and 2512432, that added together give a palindrome (4854584).

The spelling of 23421522512432 in words is "twenty-three trillion, four hundred twenty-one billion, five hundred twenty-two million, five hundred twelve thousand, four hundred thirty-two".