102000023321 has 24 divisors (see below), whose sum is σ = 120352474440. Its totient is φ = 86184000000.

The previous prime is 102000023317. The next prime is 102000023347. The reversal of 102000023321 is 123320000201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 96444408025 + 5555615296 = 310555^2 + 74536^2 .

It is not a de Polignac number, because 102000023321 - 2² = 102000023317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102000023296 and 102000023305.

It is not an unprimeable number, because it can be changed into a prime (102000023311) 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, 1088321 + ... + 1178321.

It is an arithmetic number, because the mean of its divisors is an integer number (5014686435).

Almost surely, 2^102000023321 is an apocalyptic number.

It is an amenable number.

102000023321 is a deficient number, since it is larger than the sum of its proper divisors (18352451119).

102000023321 is a wasteful number, since it uses less digits than its factorization.

102000023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90345 (or 90338 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102000023321 its reverse (123320000201), we get a palindrome (225320023522).

The spelling of 102000023321 in words is "one hundred two billion, twenty-three thousand, three hundred twenty-one".