25973823 has 8 divisors (see below), whose sum is σ = 35148928. Its totient is φ = 17057304.

The previous prime is 25973813. The next prime is 25973839. The reversal of 25973823 is 32837952.

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

It is not a de Polignac number, because 25973823 - 2⁵ = 25973791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25973813) 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, 64411 + ... + 64812.

It is an arithmetic number, because the mean of its divisors is an integer number (4393616).

Almost surely, 2^25973823 is an apocalyptic number.

25973823 is a deficient number, since it is larger than the sum of its proper divisors (9175105).

25973823 is a wasteful number, since it uses less digits than its factorization.

25973823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129293.

The product of its digits is 90720, while the sum is 39.

The square root of 25973823 is about 5096.4520011475. The cubic root of 25973823 is about 296.1501513281.

It can be divided in two parts, 25973 and 823, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 25973823 in words is "twenty-five million, nine hundred seventy-three thousand, eight hundred twenty-three".