101323213644 has 96 divisors (see below), whose sum is σ = 245362328064. Its totient is φ = 32525176320.

The previous prime is 101323213639. The next prime is 101323213687. The reversal of 101323213644 is 446312323101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9791137 + ... + 9801479.

It is an arithmetic number, because the mean of its divisors is an integer number (2555857584).

Almost surely, 2^101323213644 is an apocalyptic number.

It is an amenable number.

101323213644 is an abundant number, since it is smaller than the sum of its proper divisors (144039114420).

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

101323213644 is a wasteful number, since it uses less digits than its factorization.

101323213644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687 (or 10685 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 101323213644 its reverse (446312323101), we get a palindrome (547635536745).

The spelling of 101323213644 in words is "one hundred one billion, three hundred twenty-three million, two hundred thirteen thousand, six hundred forty-four".