25423230 has 32 divisors (see below), whose sum is σ = 69732864. Its totient is φ = 5810976.

The previous prime is 25423207. The next prime is 25423243. The reversal of 25423230 is 3232452.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 25423197 and 25423206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60322 + ... + 60741.

It is an arithmetic number, because the mean of its divisors is an integer number (2179152).

Almost surely, 2^25423230 is an apocalyptic number.

25423230 is an abundant number, since it is smaller than the sum of its proper divisors (44309634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25423230 is a wasteful number, since it uses less digits than its factorization.

25423230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121080.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 25423230 is about 5042.1453767221. The cubic root of 25423230 is about 294.0425918210.

Adding to 25423230 its reverse (3232452), we get a palindrome (28655682).

The spelling of 25423230 in words is "twenty-five million, four hundred twenty-three thousand, two hundred thirty".