123604251005 has 8 divisors (see below), whose sum is σ = 156131685600. Its totient is φ = 93679011216.

The previous prime is 123604250971. The next prime is 123604251053. The reversal of 123604251005 is 500152406321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123604251005 - 2¹⁰ = 123604249981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650548595 + ... + 650548784.

It is an arithmetic number, because the mean of its divisors is an integer number (19516460700).

Almost surely, 2^123604251005 is an apocalyptic number.

It is an amenable number.

123604251005 is a deficient number, since it is larger than the sum of its proper divisors (32527434595).

123604251005 is a wasteful number, since it uses less digits than its factorization.

123604251005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301097403.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 123604251005 its reverse (500152406321), we get a palindrome (623756657326).

The spelling of 123604251005 in words is "one hundred twenty-three billion, six hundred four million, two hundred fifty-one thousand, five".