102002423131204 has 6 divisors (see below), whose sum is σ = 178504240479614. Its totient is φ = 51001211565600.

The previous prime is 102002423131181. The next prime is 102002423131243. The reversal of 102002423131204 is 402131324200201.

It can be written as a sum of positive squares in only one way, i.e., 101852500840000 + 149922291204 = 10092200^2 + 387198^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750302891397 + ... + 12750302891404.

Almost surely, 2^{102002423131204} is an apocalyptic number.

It is an amenable number.

102002423131204 is a deficient number, since it is larger than the sum of its proper divisors (76501817348410).

102002423131204 is a wasteful number, since it uses less digits than its factorization.

102002423131204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500605782805 (or 25500605782803 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102002423131204 its reverse (402131324200201), we get a palindrome (504133747331405).

The spelling of 102002423131204 in words is "one hundred two trillion, two billion, four hundred twenty-three million, one hundred thirty-one thousand, two hundred four".