4523123 has 4 divisors (see below), whose sum is σ = 4934328. Its totient is φ = 4111920.

The previous prime is 4523107. The next prime is 4523137. The reversal of 4523123 is 3213254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4523123 - 2⁴ = 4523107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4523095 and 4523104.

It is not an unprimeable number, because it can be changed into a prime (4523023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205586 + ... + 205607.

It is an arithmetic number, because the mean of its divisors is an integer number (1233582).

Almost surely, 2^4523123 is an apocalyptic number.

4523123 is a deficient number, since it is larger than the sum of its proper divisors (411205).

4523123 is a wasteful number, since it uses less digits than its factorization.

4523123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411204.

The product of its digits is 720, while the sum is 20.

The square root of 4523123 is about 2126.7635035424. The cubic root of 4523123 is about 165.3786589692.

Adding to 4523123 its reverse (3213254), we get a palindrome (7736377).

It can be divided in two parts, 45231 and 23, that added together give a palindrome (45254).

The spelling of 4523123 in words is "four million, five hundred twenty-three thousand, one hundred twenty-three".