21232323010 has 16 divisors (see below), whose sum is σ = 38261284416. Its totient is φ = 8483350768.

The previous prime is 21232322989. The next prime is 21232323019. The reversal of 21232323010 is 1032323212.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (21232323019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187992 + ... + 1205731.

It is an arithmetic number, because the mean of its divisors is an integer number (2391330276).

Almost surely, 2^21232323010 is an apocalyptic number.

21232323010 is a deficient number, since it is larger than the sum of its proper divisors (17028961406).

21232323010 is a wasteful number, since it uses less digits than its factorization.

21232323010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394617.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21232323010 its reverse (1032323212), we get a palindrome (22264646222).

The spelling of 21232323010 in words is "twenty-one billion, two hundred thirty-two million, three hundred twenty-three thousand, ten".