21523114299 has 8 divisors (see below), whose sum is σ = 30385573200. Its totient is φ = 13504699136.

The previous prime is 21523114297. The next prime is 21523114309. The reversal of 21523114299 is 99241132512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21523114299 - 2¹ = 21523114297 is a prime.

It is a super-2 number, since 2×21523114299² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21523114297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211010874 + ... + 211010975.

It is an arithmetic number, because the mean of its divisors is an integer number (3798196650).

Almost surely, 2^21523114299 is an apocalyptic number.

21523114299 is a deficient number, since it is larger than the sum of its proper divisors (8862458901).

21523114299 is a wasteful number, since it uses less digits than its factorization.

21523114299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422021869.

The product of its digits is 38880, while the sum is 39.

The spelling of 21523114299 in words is "twenty-one billion, five hundred twenty-three million, one hundred fourteen thousand, two hundred ninety-nine".