102321423 has 6 divisors (see below), whose sum is σ = 147797624. Its totient is φ = 68214276.

The previous prime is 102321409. The next prime is 102321433. The reversal of 102321423 is 324123201.

102321423 is a `hidden beast` number, since 10 + 232 + 1 + 423 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-102321423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102321396 and 102321405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321433) 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 5 ways as a sum of consecutive naturals, for example, 5684515 + ... + 5684532.

Almost surely, 2^102321423 is an apocalyptic number.

102321423 is a deficient number, since it is larger than the sum of its proper divisors (45476201).

102321423 is a wasteful number, since it uses less digits than its factorization.

102321423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369053 (or 11369050 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102321423 is about 10115.4052316257. The cubic root of 102321423 is about 467.7231405432.

Adding to 102321423 its reverse (324123201), we get a palindrome (426444624).

The spelling of 102321423 in words is "one hundred two million, three hundred twenty-one thousand, four hundred twenty-three".