123052543412 has 24 divisors (see below), whose sum is σ = 218142463392. Its totient is φ = 60727527200.

The previous prime is 123052543399. The next prime is 123052543421. The reversal of 123052543412 is 214345250321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177587 + ... + 526917.

It is an arithmetic number, because the mean of its divisors is an integer number (9089269308).

Almost surely, 2^123052543412 is an apocalyptic number.

It is an amenable number.

123052543412 is a deficient number, since it is larger than the sum of its proper divisors (95089919980).

123052543412 is a wasteful number, since it uses less digits than its factorization.

123052543412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350479 (or 350477 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 123052543412 its reverse (214345250321), we get a palindrome (337397793733).

The spelling of 123052543412 in words is "one hundred twenty-three billion, fifty-two million, five hundred forty-three thousand, four hundred twelve".