103343400 has 72 divisors (see below), whose sum is σ = 347067630. Its totient is φ = 27557760.

The previous prime is 103343381. The next prime is 103343407. The reversal of 103343400 is 4343301.

It can be written as a sum of positive squares in 3 ways, for example, as 52620516 + 50722884 = 7254^2 + 7122^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (103343407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26907 + ... + 30506.

Almost surely, 2^103343400 is an apocalyptic number.

103343400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103343400 is an abundant number, since it is smaller than the sum of its proper divisors (243724230).

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

103343400 is a wasteful number, since it uses less digits than its factorization.

103343400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57435 (or 57423 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 103343400 is about 10165.7955910986. The cubic root of 103343400 is about 469.2751767177.

Adding to 103343400 its reverse (4343301), we get a palindrome (107686701).

Subtracting from 103343400 its reverse (4343301), we obtain a palindrome (99000099).

The spelling of 103343400 in words is "one hundred three million, three hundred forty-three thousand, four hundred".