21423014310 has 32 divisors (see below), whose sum is σ = 51421217760. Its totient is φ = 5712139008.

The previous prime is 21423014293. The next prime is 21423014329. The reversal of 21423014310 is 1341032412.

It is a super-2 number, since 2×21423014310² (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 255306 + ... + 328674.

It is an arithmetic number, because the mean of its divisors is an integer number (1606913055).

Almost surely, 2^21423014310 is an apocalyptic number.

21423014310 is an abundant number, since it is smaller than the sum of its proper divisors (29998203450).

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

21423014310 is a wasteful number, since it uses less digits than its factorization.

21423014310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83112.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21423014310 its reverse (1341032412), we get a palindrome (22764046722).

The spelling of 21423014310 in words is "twenty-one billion, four hundred twenty-three million, fourteen thousand, three hundred ten".