7125623 has 4 divisors (see below), whose sum is σ = 7277280. Its totient is φ = 6973968.

The previous prime is 7125617. The next prime is 7125649. The reversal of 7125623 is 3265217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3265217 = 73 ⋅44729.

It is a cyclic number.

It is not a de Polignac number, because 7125623 - 2¹⁶ = 7060087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7125592 and 7125601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125673) 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, 75758 + ... + 75851.

It is an arithmetic number, because the mean of its divisors is an integer number (1819320).

Almost surely, 2^7125623 is an apocalyptic number.

7125623 is a deficient number, since it is larger than the sum of its proper divisors (151657).

7125623 is a wasteful number, since it uses less digits than its factorization.

7125623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151656.

The product of its digits is 2520, while the sum is 26.

The square root of 7125623 is about 2669.3862590491. The cubic root of 7125623 is about 192.4306648593.

The spelling of 7125623 in words is "seven million, one hundred twenty-five thousand, six hundred twenty-three".