21233410000 has 100 divisors (see below), whose sum is σ = 56081973024. Its totient is φ = 7721200000.

The previous prime is 21233409991. The next prime is 21233410027. The reversal of 21233410000 is 1433212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13485 + ... + 206515.

Almost surely, 2^21233410000 is an apocalyptic number.

21233410000 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 21233410000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28040986512).

21233410000 is an abundant number, since it is smaller than the sum of its proper divisors (34848563024).

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

21233410000 is a wasteful number, since it uses less digits than its factorization.

21233410000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193070 (or 193049 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21233410000 its reverse (1433212), we get a palindrome (21234843212).

The spelling of 21233410000 in words is "twenty-one billion, two hundred thirty-three million, four hundred ten thousand".