617112051623 has 16 divisors (see below), whose sum is σ = 670004628480. Its totient is φ = 566119430016.

The previous prime is 617112051617. The next prime is 617112051637. The reversal of 617112051623 is 326150211716.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 617112051623 - 2⁴ = 617112051607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617112051643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531065 + ... + 1231362.

It is an arithmetic number, because the mean of its divisors is an integer number (41875289280).

Almost surely, 2^617112051623 is an apocalyptic number.

617112051623 is a deficient number, since it is larger than the sum of its proper divisors (52892576857).

617112051623 is a wasteful number, since it uses less digits than its factorization.

617112051623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762966.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 617112051623 in words is "six hundred seventeen billion, one hundred twelve million, fifty-one thousand, six hundred twenty-three".