123341661 has 12 divisors (see below), whose sum is σ = 178258080. Its totient is φ = 82182600.

The previous prime is 123341657. The next prime is 123341689. The reversal of 123341661 is 166143321.

It is not a de Polignac number, because 123341661 - 2² = 123341657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123341641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25486 + ... + 29936.

It is an arithmetic number, because the mean of its divisors is an integer number (14854840).

Almost surely, 2^123341661 is an apocalyptic number.

It is an amenable number.

123341661 is a deficient number, since it is larger than the sum of its proper divisors (54916419).

123341661 is a wasteful number, since it uses less digits than its factorization.

123341661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536 (or 7533 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 123341661 is about 11105.9290921561. The cubic root of 123341661 is about 497.7790305297.

Adding to 123341661 its reverse (166143321), we get a palindrome (289484982).

The spelling of 123341661 in words is "one hundred twenty-three million, three hundred forty-one thousand, six hundred sixty-one".