23667425 has 6 divisors (see below), whose sum is σ = 29347638. Its totient is φ = 18933920.

The previous prime is 23667419. The next prime is 23667439. The reversal of 23667425 is 52476632.

It can be written as a sum of positive squares in 3 ways, for example, as 4596736 + 19070689 = 2144^2 + 4367^2 .

It is not a de Polignac number, because 23667425 - 2⁴ = 23667409 is a prime.

It is a super-2 number, since 2×23667425² = 1120294012261250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 473324 + ... + 473373.

It is an arithmetic number, because the mean of its divisors is an integer number (4891273).

Almost surely, 2^23667425 is an apocalyptic number.

23667425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23667425 is a deficient number, since it is larger than the sum of its proper divisors (5680213).

23667425 is an equidigital number, since it uses as much as digits as its factorization.

23667425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946707 (or 946702 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 23667425 is about 4864.9177793669. The cubic root of 23667425 is about 287.1113336586. Note that the first 3 decimals are identical.

The spelling of 23667425 in words is "twenty-three million, six hundred sixty-seven thousand, four hundred twenty-five".