123461550544 has 20 divisors (see below), whose sum is σ = 239286291840. Its totient is φ = 61710249440.

The previous prime is 123461550521. The next prime is 123461550577. The reversal of 123461550544 is 445055164321.

It is a super-4 number, since 4×123461550544⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123461550497 and 123461550506.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1233184 + ... + 1329535.

It is an arithmetic number, because the mean of its divisors is an integer number (11964314592).

Almost surely, 2^123461550544 is an apocalyptic number.

It is an amenable number.

123461550544 is a deficient number, since it is larger than the sum of its proper divisors (115824741296).

123461550544 is a wasteful number, since it uses less digits than its factorization.

123461550544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565738 (or 2565732 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 123461550544 in words is "one hundred twenty-three billion, four hundred sixty-one million, five hundred fifty thousand, five hundred forty-four".