123051705679523 has 2 divisors, whose sum is σ = 123051705679524. Its totient is φ = 123051705679522.

The previous prime is 123051705679481. The next prime is 123051705679579. The reversal of 123051705679523 is 325976507150321.

It is an a-pointer prime, because the next prime (123051705679579) can be obtained adding 123051705679523 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123051705679523 - 2⁸ = 123051705679267 is a prime.

It is not a weakly prime, because it can be changed into another prime (123051705679223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61525852839761 + 61525852839762.

It is an arithmetic number, because the mean of its divisors is an integer number (61525852839762).

Almost surely, 2^{123051705679523} is an apocalyptic number.

123051705679523 is a deficient number, since it is larger than the sum of its proper divisors (1).

123051705679523 is an equidigital number, since it uses as much as digits as its factorization.

123051705679523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907000, while the sum is 56.

The spelling of 123051705679523 in words is "one hundred twenty-three trillion, fifty-one billion, seven hundred five million, six hundred seventy-nine thousand, five hundred twenty-three".