123042362564 has 24 divisors (see below), whose sum is σ = 234983453376. Its totient is φ = 55908252000.

The previous prime is 123042362543. The next prime is 123042362593. The reversal of 123042362564 is 465263240321.

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 7 ways as a sum of consecutive naturals, for example, 378167 + ... + 623774.

It is an arithmetic number, because the mean of its divisors is an integer number (9790977224).

Almost surely, 2^123042362564 is an apocalyptic number.

It is an amenable number.

123042362564 is a deficient number, since it is larger than the sum of its proper divisors (111941090812).

123042362564 is a wasteful number, since it uses less digits than its factorization.

123042362564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004747 (or 1004745 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 123042362564 in words is "one hundred twenty-three billion, forty-two million, three hundred sixty-two thousand, five hundred sixty-four".