123461550666 has 48 divisors (see below), whose sum is σ = 268653195720. Its totient is φ = 40976824320.

The previous prime is 123461550649. The next prime is 123461550683. The reversal of 123461550666 is 666055164321.

It is an interprime number because it is at equal distance from previous prime (123461550649) and next prime (123461550683).

It can be written as a sum of positive squares in 4 ways, for example, as 101997835641 + 21463715025 = 319371^2 + 146505^2 .

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3951586 + ... + 3982706.

Almost surely, 2^123461550666 is an apocalyptic number.

123461550666 is an abundant number, since it is smaller than the sum of its proper divisors (145191645054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123461550666 is a wasteful number, since it uses less digits than its factorization.

123461550666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32071 (or 32068 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 123461550666 in words is "one hundred twenty-three billion, four hundred sixty-one million, five hundred fifty thousand, six hundred sixty-six".