25831923 has 8 divisors (see below), whose sum is σ = 37092048. Its totient is φ = 15896544.

The previous prime is 25831909. The next prime is 25831943. The reversal of 25831923 is 32913852.

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

It is not a de Polignac number, because 25831923 - 2⁴ = 25831907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25831943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 331140 + ... + 331217.

It is an arithmetic number, because the mean of its divisors is an integer number (4636506).

Almost surely, 2^25831923 is an apocalyptic number.

25831923 is a deficient number, since it is larger than the sum of its proper divisors (11260125).

25831923 is a wasteful number, since it uses less digits than its factorization.

25831923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662373.

The product of its digits is 12960, while the sum is 33.

The square root of 25831923 is about 5082.5114854764. The cubic root of 25831923 is about 295.6098577735.

The spelling of 25831923 in words is "twenty-five million, eight hundred thirty-one thousand, nine hundred twenty-three".