123695122399 has 2 divisors, whose sum is σ = 123695122400. Its totient is φ = 123695122398.

The previous prime is 123695122391. The next prime is 123695122451. The reversal of 123695122399 is 993221596321.

It is an a-pointer prime, because the next prime (123695122451) can be obtained adding 123695122399 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123695122399 - 2³ = 123695122391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123695122391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61847561199 + 61847561200.

It is an arithmetic number, because the mean of its divisors is an integer number (61847561200).

Almost surely, 2^123695122399 is an apocalyptic number.

123695122399 is a deficient number, since it is larger than the sum of its proper divisors (1).

123695122399 is an equidigital number, since it uses as much as digits as its factorization.

123695122399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 52.

The spelling of 123695122399 in words is "one hundred twenty-three billion, six hundred ninety-five million, one hundred twenty-two thousand, three hundred ninety-nine".