102329427 has 4 divisors (see below), whose sum is σ = 136439240. Its totient is φ = 68219616.

The previous prime is 102329413. The next prime is 102329449. The reversal of 102329427 is 724923201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724923201 = 3 ⋅241641067.

It is not a de Polignac number, because 102329427 - 2⁶ = 102329363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102329394 and 102329403.

It is not an unprimeable number, because it can be changed into a prime (102329027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17054902 + ... + 17054907.

It is an arithmetic number, because the mean of its divisors is an integer number (34109810).

Almost surely, 2^102329427 is an apocalyptic number.

102329427 is a deficient number, since it is larger than the sum of its proper divisors (34109813).

102329427 is an equidigital number, since it uses as much as digits as its factorization.

102329427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34109812.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 102329427 is about 10115.8008580636. The cubic root of 102329427 is about 467.7353359639.

The spelling of 102329427 in words is "one hundred two million, three hundred twenty-nine thousand, four hundred twenty-seven".