3123764278073 has 2 divisors, whose sum is σ = 3123764278074. Its totient is φ = 3123764278072.

The previous prime is 3123764278049. The next prime is 3123764278093. The reversal of 3123764278073 is 3708724673213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2207164836409 + 916599441664 = 1485653^2 + 957392^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123764278073 - 2³⁰ = 3122690536249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123764278013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561882139036 + 1561882139037.

It is an arithmetic number, because the mean of its divisors is an integer number (1561882139037).

Almost surely, 2^{3123764278073} is an apocalyptic number.

It is an amenable number.

3123764278073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123764278073 is an equidigital number, since it uses as much as digits as its factorization.

3123764278073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 3123764278073 in words is "three trillion, one hundred twenty-three billion, seven hundred sixty-four million, two hundred seventy-eight thousand, seventy-three".