21423412010 has 96 divisors (see below), whose sum is σ = 52700481792. Its totient is φ = 6163758720.

The previous prime is 21423411991. The next prime is 21423412027. The reversal of 21423412010 is 1021432412.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82802 + ... + 222941.

It is an arithmetic number, because the mean of its divisors is an integer number (548963352).

Almost surely, 2^21423412010 is an apocalyptic number.

21423412010 is an abundant number, since it is smaller than the sum of its proper divisors (31277069782).

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

21423412010 is a wasteful number, since it uses less digits than its factorization.

21423412010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305788 (or 305781 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21423412010 its reverse (1021432412), we get a palindrome (22444844422).

The spelling of 21423412010 in words is "twenty-one billion, four hundred twenty-three million, four hundred twelve thousand, ten".