102203221323 has 24 divisors (see below), whose sum is σ = 158766728400. Its totient is φ = 58310676480.

The previous prime is 102203221321. The next prime is 102203221333. The reversal of 102203221323 is 323122302201.

It is a happy number.

It is not a de Polignac number, because 102203221323 - 2¹ = 102203221321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 102203221323.

It is not an unprimeable number, because it can be changed into a prime (102203221321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448098 + ... + 636551.

It is an arithmetic number, because the mean of its divisors is an integer number (6615280350).

Almost surely, 2^102203221323 is an apocalyptic number.

102203221323 is a deficient number, since it is larger than the sum of its proper divisors (56563507077).

102203221323 is a wasteful number, since it uses less digits than its factorization.

102203221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085307 (or 1085300 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102203221323 its reverse (323122302201), we get a palindrome (425325523524).

The spelling of 102203221323 in words is "one hundred two billion, two hundred three million, two hundred twenty-one thousand, three hundred twenty-three".