21023324043310 has 64 divisors (see below), whose sum is σ = 39191479836480. Its totient is φ = 8110106726400.

The previous prime is 21023324043229. The next prime is 21023324043347. The reversal of 21023324043310 is 1334042332012.

It is a happy number.

It is a super-2 number, since 2×21023324043310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1425012894 + ... + 1425027646.

It is an arithmetic number, because the mean of its divisors is an integer number (612366872445).

Almost surely, 2^{21023324043310} is an apocalyptic number.

21023324043310 is a deficient number, since it is larger than the sum of its proper divisors (18168155793170).

21023324043310 is a wasteful number, since it uses less digits than its factorization.

21023324043310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20053.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21023324043310 its reverse (1334042332012), we get a palindrome (22357366375322).

The spelling of 21023324043310 in words is "twenty-one trillion, twenty-three billion, three hundred twenty-four million, forty-three thousand, three hundred ten".