23125005 has 24 divisors (see below), whose sum is σ = 41827968. Its totient is φ = 11796576.

The previous prime is 23124989. The next prime is 23125007. The reversal of 23125005 is 50052132.

It is a happy number.

It is not a de Polignac number, because 23125005 - 2⁴ = 23124989 is a prime.

It is a super-3 number, since 3×23125005³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125007) 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 in 23 ways as a sum of consecutive naturals, for example, 10137 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (1742832).

Almost surely, 2^23125005 is an apocalyptic number.

It is an amenable number.

23125005 is a deficient number, since it is larger than the sum of its proper divisors (18702963).

23125005 is a wasteful number, since it uses less digits than its factorization.

23125005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22377 (or 22374 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 23125005 is about 4808.8465352931. The cubic root of 23125005 is about 284.9009812987.

Adding to 23125005 its reverse (50052132), we get a palindrome (73177137).

The spelling of 23125005 in words is "twenty-three million, one hundred twenty-five thousand, five".