103201778423 has 4 divisors (see below), whose sum is σ = 103377591240. Its totient is φ = 103025965608.

The previous prime is 103201778387. The next prime is 103201778441. The reversal of 103201778423 is 324877102301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103201778423 - 2²⁰ = 103200729847 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 (103201978423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87905528 + ... + 87906701.

It is an arithmetic number, because the mean of its divisors is an integer number (25844397810).

Almost surely, 2^103201778423 is an apocalyptic number.

103201778423 is a deficient number, since it is larger than the sum of its proper divisors (175812817).

103201778423 is an equidigital number, since it uses as much as digits as its factorization.

103201778423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175812816.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 103201778423 in words is "one hundred three billion, two hundred one million, seven hundred seventy-eight thousand, four hundred twenty-three".