4312123 has 2 divisors, whose sum is σ = 4312124. Its totient is φ = 4312122.

The previous prime is 4312117. The next prime is 4312141. The reversal of 4312123 is 3212134.

It is a happy number.

4312123 is nontrivially palindromic in base 11.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4312123 - 2⁹ = 4311611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4312097 and 4312106.

It is not a weakly prime, because it can be changed into another prime (4312103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156061 + 2156062.

It is an arithmetic number, because the mean of its divisors is an integer number (2156062).

Almost surely, 2^4312123 is an apocalyptic number.

4312123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312123 is an equidigital number, since it uses as much as digits as its factorization.

4312123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 16.

The square root of 4312123 is about 2076.5651928124. The cubic root of 4312123 is about 162.7660084945.

Adding to 4312123 its reverse (3212134), we get a palindrome (7524257).

It can be divided in two parts, 431212 and 3, that multiplied together give a triangular number (1293636 = T₁₆₀₈).

The spelling of 4312123 in words is "four million, three hundred twelve thousand, one hundred twenty-three".