23433040000 has 160 divisors (see below), whose sum is σ = 58551570000. Its totient is φ = 9338496000.

The previous prime is 23433039983. The next prime is 23433040009. The reversal of 23433040000 is 4033432.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 23433040000.

It is not an unprimeable number, because it can be changed into a prime (23433040009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39919707 + ... + 39920293.

Almost surely, 2^23433040000 is an apocalyptic number.

23433040000 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 23433040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29275785000).

23433040000 is an abundant number, since it is smaller than the sum of its proper divisors (35118530000).

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

23433040000 is an frugal number, since it uses more digits than its factorization.

23433040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 23433040000 its reverse (4033432), we get a palindrome (23437073432).

The spelling of 23433040000 in words is "twenty-three billion, four hundred thirty-three million, forty thousand".