613611632123 has 8 divisors (see below), whose sum is σ = 711737160192. Its totient is φ = 518102784936.

The previous prime is 613611632119. The next prime is 613611632141. The reversal of 613611632123 is 321236116316.

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 613611632123 - 2² = 613611632119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613611632423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654169715 + ... + 654170652.

It is an arithmetic number, because the mean of its divisors is an integer number (88967145024).

Almost surely, 2^613611632123 is an apocalyptic number.

613611632123 is a deficient number, since it is larger than the sum of its proper divisors (98125528069).

613611632123 is a wasteful number, since it uses less digits than its factorization.

613611632123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308340441.

The product of its digits is 23328, while the sum is 35.

Adding to 613611632123 its reverse (321236116316), we get a palindrome (934847748439).

The spelling of 613611632123 in words is "six hundred thirteen billion, six hundred eleven million, six hundred thirty-two thousand, one hundred twenty-three".