102403540236 has 24 divisors (see below), whose sum is σ = 239525814640. Its totient is φ = 34051053312.

The previous prime is 102403540223. The next prime is 102403540307. The reversal of 102403540236 is 632045304201.

102403540236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10427401 + ... + 10437216.

Almost surely, 2^102403540236 is an apocalyptic number.

It is an amenable number.

102403540236 is an abundant number, since it is smaller than the sum of its proper divisors (137122274404).

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

102403540236 is a wasteful number, since it uses less digits than its factorization.

102403540236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20865033 (or 20865031 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 102403540236 its reverse (632045304201), we get a palindrome (734448844437).

The spelling of 102403540236 in words is "one hundred two billion, four hundred three million, five hundred forty thousand, two hundred thirty-six".