21410215023 has 8 divisors (see below), whose sum is σ = 28590143536. Its totient is φ = 14251881600.

The previous prime is 21410214989. The next prime is 21410215031. The reversal of 21410215023 is 32051201412.

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

It is not a de Polignac number, because 21410215023 - 2¹⁰ = 21410213999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410215093) 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, 5396458 + ... + 5400423.

It is an arithmetic number, because the mean of its divisors is an integer number (3573767942).

Almost surely, 2^21410215023 is an apocalyptic number.

21410215023 is a deficient number, since it is larger than the sum of its proper divisors (7179928513).

21410215023 is a wasteful number, since it uses less digits than its factorization.

21410215023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10797545.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 21410215023 its reverse (32051201412), we get a palindrome (53461416435).

The spelling of 21410215023 in words is "twenty-one billion, four hundred ten million, two hundred fifteen thousand, twenty-three".