23403012000 has 192 divisors, whose sum is σ = 77595283584. Its totient is φ = 6165350400.

The previous prime is 23403011927. The next prime is 23403012007. The reversal of 23403012000 is 21030432.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (23403012007) 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, 984252 + ... + 1007748.

It is an arithmetic number, because the mean of its divisors is an integer number (404142102).

Almost surely, 2^23403012000 is an apocalyptic number.

23403012000 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 23403012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38797641792).

23403012000 is an abundant number, since it is smaller than the sum of its proper divisors (54192271584).

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

23403012000 is a wasteful number, since it uses less digits than its factorization.

23403012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23608 (or 23590 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23403012000 its reverse (21030432), we get a palindrome (23424042432).

The spelling of 23403012000 in words is "twenty-three billion, four hundred three million, twelve thousand".