21523114300 has 36 divisors (see below), whose sum is σ = 47002677400. Its totient is φ = 8554403520.

The previous prime is 21523114297. The next prime is 21523114309. The reversal of 21523114300 is 341132512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21523114309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669750 + ... + 701149.

Almost surely, 2^21523114300 is an apocalyptic number.

21523114300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21523114300 is an abundant number, since it is smaller than the sum of its proper divisors (25479563100).

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

21523114300 is a wasteful number, since it uses less digits than its factorization.

21523114300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371070 (or 1371063 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 21523114300 its reverse (341132512), we get a palindrome (21864246812).

The spelling of 21523114300 in words is "twenty-one billion, five hundred twenty-three million, one hundred fourteen thousand, three hundred".