23403450000 has 480 divisors, whose sum is σ = 89274286080. Its totient is φ = 5169600000.

The previous prime is 23403449999. The next prime is 23403450017. The reversal of 23403450000 is 5430432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32549641 + ... + 32550359.

It is an arithmetic number, because the mean of its divisors is an integer number (185988096).

Almost surely, 2^23403450000 is an apocalyptic number.

23403450000 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 23403450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44637143040).

23403450000 is an abundant number, since it is smaller than the sum of its proper divisors (65870836080).

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

23403450000 is an equidigital number, since it uses as much as digits as its factorization.

23403450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 23403450000 its reverse (5430432), we get a palindrome (23408880432).

The spelling of 23403450000 in words is "twenty-three billion, four hundred three million, four hundred fifty thousand".