102112723 has 4 divisors (see below), whose sum is σ = 102154360. Its totient is φ = 102071088.

The previous prime is 102112691. The next prime is 102112733. The reversal of 102112723 is 327211201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327211201 = 41 ⋅7980761.

It is a cyclic number.

It is not a de Polignac number, because 102112723 - 2⁵ = 102112691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102112723.

It is not an unprimeable number, because it can be changed into a prime (102112733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16893 + ... + 22126.

It is an arithmetic number, because the mean of its divisors is an integer number (25538590).

Almost surely, 2^102112723 is an apocalyptic number.

102112723 is a deficient number, since it is larger than the sum of its proper divisors (41637).

102112723 is an equidigital number, since it uses as much as digits as its factorization.

102112723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41636.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 102112723 is about 10105.0840174637. The cubic root of 102112723 is about 467.4049267618.

Adding to 102112723 its reverse (327211201), we get a palindrome (429323924).

The spelling of 102112723 in words is "one hundred two million, one hundred twelve thousand, seven hundred twenty-three".