102003543400 has 48 divisors (see below), whose sum is σ = 258718083840. Its totient is φ = 37092196800.

The previous prime is 102003543391. The next prime is 102003543419. The reversal of 102003543400 is 4345300201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23180424 + ... + 23184823.

It is an arithmetic number, because the mean of its divisors is an integer number (5389960080).

Almost surely, 2^102003543400 is an apocalyptic number.

102003543400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102003543400 is an abundant number, since it is smaller than the sum of its proper divisors (156714540440).

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

102003543400 is a wasteful number, since it uses less digits than its factorization.

102003543400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46365274 (or 46365265 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 102003543400 its reverse (4345300201), we get a palindrome (106348843601).

The spelling of 102003543400 in words is "one hundred two billion, three million, five hundred forty-three thousand, four hundred".