123077245013 has 2 divisors, whose sum is σ = 123077245014. Its totient is φ = 123077245012.

The previous prime is 123077244931. The next prime is 123077245019. The reversal of 123077245013 is 310542770321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123044503729 + 32741284 = 350777^2 + 5722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123077245013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123077245019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61538622506 + 61538622507.

It is an arithmetic number, because the mean of its divisors is an integer number (61538622507).

Almost surely, 2^123077245013 is an apocalyptic number.

It is an amenable number.

123077245013 is a deficient number, since it is larger than the sum of its proper divisors (1).

123077245013 is an equidigital number, since it uses as much as digits as its factorization.

123077245013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 123077245013 in words is "one hundred twenty-three billion, seventy-seven million, two hundred forty-five thousand, thirteen".