21323103010 has 16 divisors (see below), whose sum is σ = 41870820672. Its totient is φ = 7753855600.

The previous prime is 21323102993. The next prime is 21323103013. The reversal of 21323103010 is 1030132312.

It is not an unprimeable number, because it can be changed into a prime (21323103013) 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, 96923086 + ... + 96923305.

It is an arithmetic number, because the mean of its divisors is an integer number (2616926292).

Almost surely, 2^21323103010 is an apocalyptic number.

21323103010 is a deficient number, since it is larger than the sum of its proper divisors (20547717662).

21323103010 is a wasteful number, since it uses less digits than its factorization.

21323103010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193846409.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21323103010 its reverse (1030132312), we get a palindrome (22353235322).

The spelling of 21323103010 in words is "twenty-one billion, three hundred twenty-three million, one hundred three thousand, ten".