123461602504 has 16 divisors (see below), whose sum is σ = 233782491420. Its totient is φ = 61119604800.

The previous prime is 123461602493. The next prime is 123461602507. The reversal of 123461602504 is 405206164321.

It can be written as a sum of positive squares in 2 ways, for example, as 85398372900 + 38063229604 = 292230^2 + 195098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123461602504.

It is not an unprimeable number, because it can be changed into a prime (123461602507) by changing a digit.

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, 76398699 + ... + 76400314.

Almost surely, 2^123461602504 is an apocalyptic number.

It is an amenable number.

123461602504 is a deficient number, since it is larger than the sum of its proper divisors (110320888916).

123461602504 is a wasteful number, since it uses less digits than its factorization.

123461602504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152799120 (or 152799116 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 123461602504 its reverse (405206164321), we get a palindrome (528667766825).

The spelling of 123461602504 in words is "one hundred twenty-three billion, four hundred sixty-one million, six hundred two thousand, five hundred four".