11423125 has 30 divisors (see below), whose sum is σ = 16649358. Its totient is φ = 7812000.

The previous prime is 11423117. The next prime is 11423131. The reversal of 11423125 is 52132411.

It can be written as a sum of positive squares in 5 ways, for example, as 4235364 + 7187761 = 2058^2 + 2681^2 .

It is not a de Polignac number, because 11423125 - 2³ = 11423117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 30439 + ... + 30811.

Almost surely, 2^11423125 is an apocalyptic number.

It is an amenable number.

11423125 is a deficient number, since it is larger than the sum of its proper divisors (5226233).

11423125 is an frugal number, since it uses more digits than its factorization.

11423125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 385 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 11423125 is about 3379.8113852699. The cubic root of 11423125 is about 225.2137885694.

Adding to 11423125 its reverse (52132411), we get a palindrome (63555536).

The spelling of 11423125 in words is "eleven million, four hundred twenty-three thousand, one hundred twenty-five".