111111402500023 has 8 divisors (see below), whose sum is σ = 114114640160160. Its totient is φ = 108108176775840.

The previous prime is 111111402499973. The next prime is 111111402500053. The reversal of 111111402500023 is 320005204111111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111111402500023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111111402499967 and 111111402500003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111402500053) 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, 17819493 + ... + 23232673.

It is an arithmetic number, because the mean of its divisors is an integer number (14264330020020).

Almost surely, 2^{111111402500023} is an apocalyptic number.

111111402500023 is a deficient number, since it is larger than the sum of its proper divisors (3003237660137).

111111402500023 is an equidigital number, since it uses as much as digits as its factorization.

111111402500023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967977.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 111111402500023 its reverse (320005204111111), we get a palindrome (431116606611134).

The spelling of 111111402500023 in words is "one hundred eleven trillion, one hundred eleven billion, four hundred two million, five hundred thousand, twenty-three".