111623553717623 has 8 divisors (see below), whose sum is σ = 114643409265792. Its totient is φ = 108603856208736.

The previous prime is 111623553717619. The next prime is 111623553717647. The reversal of 111623553717623 is 326717355326111.

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 111623553717623 - 2² = 111623553717619 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 (111623553717523) 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, 38077415 + ... + 40903992.

It is an arithmetic number, because the mean of its divisors is an integer number (14330426158224).

Almost surely, 2^{111623553717623} is an apocalyptic number.

111623553717623 is a deficient number, since it is larger than the sum of its proper divisors (3019855548169).

111623553717623 is an equidigital number, since it uses as much as digits as its factorization.

111623553717623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79019641.

The product of its digits is 4762800, while the sum is 53.

The spelling of 111623553717623 in words is "one hundred eleven trillion, six hundred twenty-three billion, five hundred fifty-three million, seven hundred seventeen thousand, six hundred twenty-three".