102879723 has 4 divisors (see below), whose sum is σ = 137172968. Its totient is φ = 68586480.

The previous prime is 102879709. The next prime is 102879727. The reversal of 102879723 is 327978201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327978201 = 3 ⋅109326067.

It is not a de Polignac number, because 102879723 - 2¹² = 102875627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102879727) 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, 17146618 + ... + 17146623.

It is an arithmetic number, because the mean of its divisors is an integer number (34293242).

Almost surely, 2^102879723 is an apocalyptic number.

102879723 is a deficient number, since it is larger than the sum of its proper divisors (34293245).

102879723 is an equidigital number, since it uses as much as digits as its factorization.

102879723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34293244.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 102879723 is about 10142.9642117085. The cubic root of 102879723 is about 468.5722827817.

The spelling of 102879723 in words is "one hundred two million, eight hundred seventy-nine thousand, seven hundred twenty-three".