25732423 has 8 divisors (see below), whose sum is σ = 27292896. Its totient is φ = 24208800.

The previous prime is 25732417. The next prime is 25732429. The reversal of 25732423 is 32423752.

It is an interprime number because it is at equal distance from previous prime (25732417) and next prime (25732429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25732423 - 2⁵ = 25732391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25732391 and 25732400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25732429) 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 7 ways as a sum of consecutive naturals, for example, 7768 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (3411612).

Almost surely, 2^25732423 is an apocalyptic number.

25732423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25732423 is a deficient number, since it is larger than the sum of its proper divisors (1560473).

25732423 is a wasteful number, since it uses less digits than its factorization.

25732423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18425.

The product of its digits is 10080, while the sum is 28.

The square root of 25732423 is about 5072.7135736211. The cubic root of 25732423 is about 295.2298237789.

The spelling of 25732423 in words is "twenty-five million, seven hundred thirty-two thousand, four hundred twenty-three".