102100423204 has 18 divisors (see below), whose sum is σ = 193477282530. Its totient is φ = 47123271936.

The previous prime is 102100423141. The next prime is 102100423237. The reversal of 102100423204 is 402324001201.

It can be written as a sum of positive squares in 3 ways, for example, as 11528316900 + 90572106304 = 107370^2 + 300952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75517389 + ... + 75518740.

Almost surely, 2^102100423204 is an apocalyptic number.

It is an amenable number.

102100423204 is a deficient number, since it is larger than the sum of its proper divisors (91376859326).

102100423204 is a wasteful number, since it uses less digits than its factorization.

102100423204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151036159 (or 151036144 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 102100423204 its reverse (402324001201), we get a palindrome (504424424405).

The spelling of 102100423204 in words is "one hundred two billion, one hundred million, four hundred twenty-three thousand, two hundred four".