23203220432 has 80 divisors (see below), whose sum is σ = 54158438400. Its totient is φ = 9407664000.

The previous prime is 23203220431. The next prime is 23203220437. The reversal of 23203220432 is 23402230232.

It is a junction number, because it is equal to n+sod(n) for n = 23203220398 and 23203220407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203220431) 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, 1590869 + ... + 1605387.

It is an arithmetic number, because the mean of its divisors is an integer number (676980480).

Almost surely, 2^23203220432 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 23203220432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27079219200).

23203220432 is an abundant number, since it is smaller than the sum of its proper divisors (30955217968).

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

23203220432 is a wasteful number, since it uses less digits than its factorization.

23203220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304 (or 15298 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 23203220432 its reverse (23402230232), we get a palindrome (46605450664).

The spelling of 23203220432 in words is "twenty-three billion, two hundred three million, two hundred twenty thousand, four hundred thirty-two".