102423204 has 60 divisors (see below), whose sum is σ = 288362844. Its totient is φ = 31513536.

The previous prime is 102423203. The next prime is 102423241. The reversal of 102423204 is 402324201.

It can be written as a sum of positive squares in 2 ways, for example, as 40832100 + 61591104 = 6390^2 + 7848^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102423203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7947 + ... + 16370.

Almost surely, 2^102423204 is an apocalyptic number.

It is an amenable number.

102423204 is an abundant number, since it is smaller than the sum of its proper divisors (185939640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102423204 is a wasteful number, since it uses less digits than its factorization.

102423204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24346 (or 24335 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102423204 is about 10120.4349708893. The cubic root of 102423204 is about 467.8781734179.

Adding to 102423204 its reverse (402324201), we get a palindrome (504747405).

The spelling of 102423204 in words is "one hundred two million, four hundred twenty-three thousand, two hundred four".