103403783405 has 16 divisors (see below), whose sum is σ = 133666551984. Its totient is φ = 76338547200.

The previous prime is 103403783333. The next prime is 103403783419. The reversal of 103403783405 is 504387304301.

It can be written as a sum of positive squares in 8 ways, for example, as 42689344996 + 60714438409 = 206614^2 + 246403^2 .

It is not a de Polignac number, because 103403783405 - 2¹⁶ = 103403717869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17705 + ... + 455105.

It is an arithmetic number, because the mean of its divisors is an integer number (8354159499).

Almost surely, 2^103403783405 is an apocalyptic number.

It is an amenable number.

103403783405 is a deficient number, since it is larger than the sum of its proper divisors (30262768579).

103403783405 is a wasteful number, since it uses less digits than its factorization.

103403783405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441056.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 103403783405 in words is "one hundred three billion, four hundred three million, seven hundred eighty-three thousand, four hundred five".