102123433 has 4 divisors (see below), whose sum is σ = 104296320. Its totient is φ = 99950548.

The previous prime is 102123407. The next prime is 102123451. The reversal of 102123433 is 334321201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102123433 - 2⁵ = 102123401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102123433.

It is not an unprimeable number, because it can be changed into a prime (102123493) 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, 1086373 + ... + 1086466.

It is an arithmetic number, because the mean of its divisors is an integer number (26074080).

Almost surely, 2^102123433 is an apocalyptic number.

It is an amenable number.

102123433 is a deficient number, since it is larger than the sum of its proper divisors (2172887).

102123433 is an equidigital number, since it uses as much as digits as its factorization.

102123433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172886.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 102123433 is about 10105.6139348384. The cubic root of 102123433 is about 467.4212673040.

Adding to 102123433 its reverse (334321201), we get a palindrome (436444634).

The spelling of 102123433 in words is "one hundred two million, one hundred twenty-three thousand, four hundred thirty-three".