25023123 has 12 divisors (see below), whose sum is σ = 36318568. Its totient is φ = 16601760.

The previous prime is 25023121. The next prime is 25023199. The reversal of 25023123 is 32132052.

It is not a de Polignac number, because 25023123 - 2¹ = 25023121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25023096 and 25023105.

It is not an unprimeable number, because it can be changed into a prime (25023121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4690 + ... + 8487.

Almost surely, 2^25023123 is an apocalyptic number.

25023123 is a deficient number, since it is larger than the sum of its proper divisors (11295445).

25023123 is a wasteful number, since it uses less digits than its factorization.

25023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13394 (or 13391 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25023123 is about 5002.3117655740. The cubic root of 25023123 is about 292.4918954581.

Adding to 25023123 its reverse (32132052), we get a palindrome (57155175).

It can be divided in two parts, 2502 and 3123, that added together give a square (5625 = 75²).

The spelling of 25023123 in words is "twenty-five million, twenty-three thousand, one hundred twenty-three".