4240123342577 has 2 divisors, whose sum is σ = 4240123342578. Its totient is φ = 4240123342576.

The previous prime is 4240123342537. The next prime is 4240123342589. The reversal of 4240123342577 is 7752433210424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3233149225216 + 1006974117361 = 1798096^2 + 1003481^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240123342577 - 2¹⁶ = 4240123277041 is a prime.

It is not a weakly prime, because it can be changed into another prime (4240123342517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120061671288 + 2120061671289.

It is an arithmetic number, because the mean of its divisors is an integer number (2120061671289).

Almost surely, 2^{4240123342577} is an apocalyptic number.

It is an amenable number.

4240123342577 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240123342577 is an equidigital number, since it uses as much as digits as its factorization.

4240123342577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 4240123342577 in words is "four trillion, two hundred forty billion, one hundred twenty-three million, three hundred forty-two thousand, five hundred seventy-seven".