102343242402 has 24 divisors (see below), whose sum is σ = 223156078236. Its totient is φ = 33897123936.

The previous prime is 102343242389. The next prime is 102343242409. The reversal of 102343242402 is 204242343201.

102343242402 is a `hidden beast` number, since 1 + 0 + 234 + 3 + 2 + 424 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102343047921 + 194481 = 319911^2 + 441^2 .

It is not an unprimeable number, because it can be changed into a prime (102343242409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18104613 + ... + 18110264.

Almost surely, 2^102343242402 is an apocalyptic number.

102343242402 is an abundant number, since it is smaller than the sum of its proper divisors (120812835834).

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

102343242402 is a wasteful number, since it uses less digits than its factorization.

102343242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36215042 (or 36215039 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 102343242402 its reverse (204242343201), we get a palindrome (306585585603).

The spelling of 102343242402 in words is "one hundred two billion, three hundred forty-three million, two hundred forty-two thousand, four hundred two".