102323002002021 has 6 divisors (see below), whose sum is σ = 147799891780710. Its totient is φ = 68215334668008.

The previous prime is 102323002001959. The next prime is 102323002002029. The reversal of 102323002002021 is 120200200323201.

102323002002021 is a `hidden beast` number, since 1 + 0 + 232 + 30 + 0 + 200 + 202 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53083449933921 + 49239552068100 = 7285839^2 + 7017090^2 .

It is not a de Polignac number, because 102323002002021 - 2⁹ = 102323002001509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102323002001985 and 102323002002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323002002029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5684611222326 + ... + 5684611222343.

It is an arithmetic number, because the mean of its divisors is an integer number (24633315296785).

Almost surely, 2^{102323002002021} is an apocalyptic number.

It is an amenable number.

102323002002021 is a deficient number, since it is larger than the sum of its proper divisors (45476889778689).

102323002002021 is a wasteful number, since it uses less digits than its factorization.

102323002002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369222444675 (or 11369222444672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 102323002002021 its reverse (120200200323201), we get a palindrome (222523202325222).

The spelling of 102323002002021 in words is "one hundred two trillion, three hundred twenty-three billion, two million, two thousand, twenty-one".