25653423 has 8 divisors (see below), whose sum is σ = 34451200. Its totient is φ = 16978968.

The previous prime is 25653421. The next prime is 25653443. The reversal of 25653423 is 32435652.

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

It is not a de Polignac number, because 25653423 - 2¹ = 25653421 is a prime.

It is a super-2 number, since 2×25653423² = 1316196223233858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25653421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30343 + ... + 31176.

It is an arithmetic number, because the mean of its divisors is an integer number (4306400).

Almost surely, 2^25653423 is an apocalyptic number.

25653423 is a deficient number, since it is larger than the sum of its proper divisors (8797777).

25653423 is a wasteful number, since it uses less digits than its factorization.

25653423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61661.

The product of its digits is 21600, while the sum is 30.

The square root of 25653423 is about 5064.9208286014. The cubic root of 25653423 is about 294.9273899625.

The spelling of 25653423 in words is "twenty-five million, six hundred fifty-three thousand, four hundred twenty-three".