21423312333010 has 32 divisors (see below), whose sum is σ = 44089591789440. Its totient is φ = 7342006015872.

The previous prime is 21423312332993. The next prime is 21423312333029. The reversal of 21423312333010 is 1033321332412.

It is a super-2 number, since 2×21423312333010² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21423312333010.

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, 65035395 + ... + 65363974.

It is an arithmetic number, because the mean of its divisors is an integer number (1377799743420).

Almost surely, 2^{21423312333010} is an apocalyptic number.

21423312333010 is an abundant number, since it is smaller than the sum of its proper divisors (22666279456430).

21423312333010 is a wasteful number, since it uses less digits than its factorization.

21423312333010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130401730.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21423312333010 its reverse (1033321332412), we get a palindrome (22456633665422).

The spelling of 21423312333010 in words is "twenty-one trillion, four hundred twenty-three billion, three hundred twelve million, three hundred thirty-three thousand, ten".