21300023150 has 144 divisors (see below), whose sum is σ = 48731880960. Its totient is φ = 6887160000.

The previous prime is 21300023117. The next prime is 21300023209. The reversal of 21300023150 is 5132000312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11683139 + ... + 11684961.

It is an arithmetic number, because the mean of its divisors is an integer number (338415840).

Almost surely, 2^21300023150 is an apocalyptic number.

21300023150 is an abundant number, since it is smaller than the sum of its proper divisors (27431857810).

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

21300023150 is a wasteful number, since it uses less digits than its factorization.

21300023150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 21300023150 its reverse (5132000312), we get a palindrome (26432023462).

The spelling of 21300023150 in words is "twenty-one billion, three hundred million, twenty-three thousand, one hundred fifty".