7229123 has 4 divisors (see below), whose sum is σ = 7886328. Its totient is φ = 6571920.

The previous prime is 7229077. The next prime is 7229129. The reversal of 7229123 is 3219227.

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 7229123 - 2⁶ = 7229059 is a prime.

It is a super-3 number, since 3×7229123³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7229092 and 7229101.

It is not an unprimeable number, because it can be changed into a prime (7229129) 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, 328586 + ... + 328607.

It is an arithmetic number, because the mean of its divisors is an integer number (1971582).

Almost surely, 2^7229123 is an apocalyptic number.

7229123 is a deficient number, since it is larger than the sum of its proper divisors (657205).

7229123 is a wasteful number, since it uses less digits than its factorization.

7229123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657204.

The product of its digits is 1512, while the sum is 26.

The square root of 7229123 is about 2688.7028470993. The cubic root of 7229123 is about 193.3578780438.

The spelling of 7229123 in words is "seven million, two hundred twenty-nine thousand, one hundred twenty-three".