123365735357 has 2 divisors, whose sum is σ = 123365735358. Its totient is φ = 123365735356.

The previous prime is 123365735291. The next prime is 123365735369. The reversal of 123365735357 is 753537563321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122877590521 + 488144836 = 350539^2 + 22094^2 .

It is a cyclic number.

It is not a de Polignac number, because 123365735357 - 2²⁴ = 123348958141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123365735957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61682867678 + 61682867679.

It is an arithmetic number, because the mean of its divisors is an integer number (61682867679).

Almost surely, 2^123365735357 is an apocalyptic number.

It is an amenable number.

123365735357 is a deficient number, since it is larger than the sum of its proper divisors (1).

123365735357 is an equidigital number, since it uses as much as digits as its factorization.

123365735357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5953500, while the sum is 50.

The spelling of 123365735357 in words is "one hundred twenty-three billion, three hundred sixty-five million, seven hundred thirty-five thousand, three hundred fifty-seven".