23403060420444 has 192 divisors, whose sum is σ = 61860115699200. Its totient is φ = 7649416051200.

The previous prime is 23403060420407. The next prime is 23403060420449. The reversal of 23403060420444 is 44402406030432.

23403060420444 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 3 + 0 + 604 + 2 + 0 + 4 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 23403060420399 and 23403060420408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403060420449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6340572639 + ... + 6340576329.

It is an arithmetic number, because the mean of its divisors is an integer number (322188102600).

Almost surely, 2^{23403060420444} 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 23403060420444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30930057849600).

23403060420444 is an abundant number, since it is smaller than the sum of its proper divisors (38457055278756).

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

23403060420444 is a wasteful number, since it uses less digits than its factorization.

23403060420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481 (or 6473 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 23403060420444 its reverse (44402406030432), we get a palindrome (67805466450876).

The spelling of 23403060420444 in words is "twenty-three trillion, four hundred three billion, sixty million, four hundred twenty thousand, four hundred forty-four".