123351142061 has 16 divisors (see below), whose sum is σ = 149280097536. Its totient is φ = 99500265216.

The previous prime is 123351142043. The next prime is 123351142091. The reversal of 123351142061 is 160241153321.

It is a cyclic number.

It is not a de Polignac number, because 123351142061 - 2⁶ = 123351141997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123351142091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297235 + ... + 1389071.

It is an arithmetic number, because the mean of its divisors is an integer number (9330006096).

Almost surely, 2^123351142061 is an apocalyptic number.

It is an amenable number.

123351142061 is a deficient number, since it is larger than the sum of its proper divisors (25928955475).

123351142061 is a wasteful number, since it uses less digits than its factorization.

123351142061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103148.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 123351142061 its reverse (160241153321), we get a palindrome (283592295382).

The spelling of 123351142061 in words is "one hundred twenty-three billion, three hundred fifty-one million, one hundred forty-two thousand, sixty-one".