103784778233 has 2 divisors, whose sum is σ = 103784778234. Its totient is φ = 103784778232.

The previous prime is 103784778221. The next prime is 103784778277. The reversal of 103784778233 is 332877487301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103753563664 + 31214569 = 322108^2 + 5587^2 .

It is a cyclic number.

It is not a de Polignac number, because 103784778233 - 2⁴ = 103784778217 is a prime.

It is not a weakly prime, because it can be changed into another prime (103784708233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51892389116 + 51892389117.

It is an arithmetic number, because the mean of its divisors is an integer number (51892389117).

Almost surely, 2^103784778233 is an apocalyptic number.

It is an amenable number.

103784778233 is a deficient number, since it is larger than the sum of its proper divisors (1).

103784778233 is an equidigital number, since it uses as much as digits as its factorization.

103784778233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 103784778233 in words is "one hundred three billion, seven hundred eighty-four million, seven hundred seventy-eight thousand, two hundred thirty-three".