102097723 has 20 divisors (see below), whose sum is σ = 128308208. Its totient is φ = 80755920.

The previous prime is 102097717. The next prime is 102097729. The reversal of 102097723 is 327790201.

It is an interprime number because it is at equal distance from previous prime (102097717) and next prime (102097729).

It is not a de Polignac number, because 102097723 - 2⁵ = 102097691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102097729) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29578 + ... + 32848.

Almost surely, 2^102097723 is an apocalyptic number.

102097723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102097723 is a deficient number, since it is larger than the sum of its proper divisors (26210485).

102097723 is an frugal number, since it uses more digits than its factorization.

102097723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 102097723 is about 10104.3417895477. The cubic root of 102097723 is about 467.3820389276.

The spelling of 102097723 in words is "one hundred two million, ninety-seven thousand, seven hundred twenty-three".