123342009061 has 2 divisors, whose sum is σ = 123342009062. Its totient is φ = 123342009060.

The previous prime is 123342009041. The next prime is 123342009079. The reversal of 123342009061 is 160900243321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123003816961 + 338192100 = 350719^2 + 18390^2 .

It is a cyclic number.

It is not a de Polignac number, because 123342009061 - 2⁵ = 123342009029 is a prime.

It is a super-2 number, since 2×123342009061² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123342009041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61671004530 + 61671004531.

It is an arithmetic number, because the mean of its divisors is an integer number (61671004531).

Almost surely, 2^123342009061 is an apocalyptic number.

It is an amenable number.

123342009061 is a deficient number, since it is larger than the sum of its proper divisors (1).

123342009061 is an equidigital number, since it uses as much as digits as its factorization.

123342009061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 123342009061 in words is "one hundred twenty-three billion, three hundred forty-two million, nine thousand, sixty-one".