21230401014 has 24 divisors (see below), whose sum is σ = 47242425360. Its totient is φ = 6885535248.

The previous prime is 21230401009. The next prime is 21230401099. The reversal of 21230401014 is 41010403212.

21230401014 is a `hidden beast` number, since 21 + 230 + 401 + 0 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15938074 + ... + 15939405.

It is an arithmetic number, because the mean of its divisors is an integer number (1968434390).

Almost surely, 2^21230401014 is an apocalyptic number.

21230401014 is an abundant number, since it is smaller than the sum of its proper divisors (26012024346).

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

21230401014 is a wasteful number, since it uses less digits than its factorization.

21230401014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31877524 (or 31877521 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21230401014 its reverse (41010403212), we get a palindrome (62240804226).

The spelling of 21230401014 in words is "twenty-one billion, two hundred thirty million, four hundred one thousand, fourteen".