103344553 has 20 divisors (see below), whose sum is σ = 119402948. Its totient is φ = 88892640.

The previous prime is 103344533. The next prime is 103344569. The reversal of 103344553 is 355443301.

It can be written as a sum of positive squares in 2 ways, for example, as 8340544 + 95004009 = 2888^2 + 9747^2 .

It is not a de Polignac number, because 103344553 - 2²⁵ = 69790121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103344503) 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, 1694143 + ... + 1694203.

Almost surely, 2^103344553 is an apocalyptic number.

103344553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103344553 is a deficient number, since it is larger than the sum of its proper divisors (16058395).

103344553 is an frugal number, since it uses more digits than its factorization.

103344553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 103344553 is about 10165.8523007173. The cubic root of 103344553 is about 469.2769219421.

Adding to 103344553 its reverse (355443301), we get a palindrome (458787854).

The spelling of 103344553 in words is "one hundred three million, three hundred forty-four thousand, five hundred fifty-three".