25134123 has 8 divisors (see below), whose sum is σ = 38299648. Its totient is φ = 14362344.

The previous prime is 25134113. The next prime is 25134127. The reversal of 25134123 is 32143152.

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

It is not a de Polignac number, because 25134123 - 2⁵ = 25134091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1196863 = 25134123 / (2 + 5 + 1 + 3 + 4 + 1 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25134123.

It is not an unprimeable number, because it can be changed into a prime (25134127) 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, 598411 + ... + 598452.

It is an arithmetic number, because the mean of its divisors is an integer number (4787456).

Almost surely, 2^25134123 is an apocalyptic number.

25134123 is a deficient number, since it is larger than the sum of its proper divisors (13165525).

25134123 is a wasteful number, since it uses less digits than its factorization.

25134123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196873.

The product of its digits is 720, while the sum is 21.

The square root of 25134123 is about 5013.3943591144. The cubic root of 25134123 is about 292.9237455272.

Adding to 25134123 its reverse (32143152), we get a palindrome (57277275).

The spelling of 25134123 in words is "twenty-five million, one hundred thirty-four thousand, one hundred twenty-three".