23403312433000 has 128 divisors (see below), whose sum is σ = 55752237234720. Its totient is φ = 9193453977600.

The previous prime is 23403312432967. The next prime is 23403312433001. The reversal of 23403312433000 is 33421330432.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 311616267076 + 23091696165924 = 558226^2 + 4805382^2 .

It is a super-2 number, since 2×23403312433000² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23403312433000.

It is not an unprimeable number, because it can be changed into a prime (23403312433001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16321032 + ... + 17696968.

Almost surely, 2^{23403312433000} is an apocalyptic number.

23403312433000 is a gapful number since it is divisible by the number (20) 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 23403312433000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27876118617360).

23403312433000 is an abundant number, since it is smaller than the sum of its proper divisors (32348924801720).

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

23403312433000 is a wasteful number, since it uses less digits than its factorization.

23403312433000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376264 (or 1376250 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 23403312433000 its reverse (33421330432), we get a palindrome (23436733763432).

The spelling of 23403312433000 in words is "twenty-three trillion, four hundred three billion, three hundred twelve million, four hundred thirty-three thousand".