102148723 has 8 divisors (see below), whose sum is σ = 103688928. Its totient is φ = 100619904.

The previous prime is 102148703. The next prime is 102148741. The reversal of 102148723 is 327841201.

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 102148723 - 2²¹ = 100051571 is a prime.

It is a super-2 number, since 2×102148723² = 20868723221061458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102148691 and 102148700.

It is not an unprimeable number, because it can be changed into a prime (102148703) 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, 16165 + ... + 21577.

It is an arithmetic number, because the mean of its divisors is an integer number (12961116).

Almost surely, 2^102148723 is an apocalyptic number.

102148723 is a deficient number, since it is larger than the sum of its proper divisors (1540205).

102148723 is a wasteful number, since it uses less digits than its factorization.

102148723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 102148723 is about 10106.8651420705. The cubic root of 102148723 is about 467.4598484204.

Adding to 102148723 its reverse (327841201), we get a palindrome (429989924).

The spelling of 102148723 in words is "one hundred two million, one hundred forty-eight thousand, seven hundred twenty-three".