4761778123 has 2 divisors, whose sum is σ = 4761778124. Its totient is φ = 4761778122.

The previous prime is 4761778121. The next prime is 4761778141. The reversal of 4761778123 is 3218771674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4761778123 - 2¹ = 4761778121 is a prime.

Together with 4761778121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4761778121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2380889061 + 2380889062.

It is an arithmetic number, because the mean of its divisors is an integer number (2380889062).

Almost surely, 2^4761778123 is an apocalyptic number.

4761778123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4761778123 is an equidigital number, since it uses as much as digits as its factorization.

4761778123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 46.

The square root of 4761778123 is about 69005.6383420949. The cubic root of 4761778123 is about 1682.3759516782.

The spelling of 4761778123 in words is "four billion, seven hundred sixty-one million, seven hundred seventy-eight thousand, one hundred twenty-three".