25123203 has 40 divisors (see below), whose sum is σ = 43676160. Its totient is φ = 14094000.

The previous prime is 25123183. The next prime is 25123211. The reversal of 25123203 is 30232152.

It is not a de Polignac number, because 25123203 - 2⁵ = 25123171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25123243) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33078 + ... + 33828.

It is an arithmetic number, because the mean of its divisors is an integer number (1091904).

Almost surely, 2^25123203 is an apocalyptic number.

25123203 is a deficient number, since it is larger than the sum of its proper divisors (18552957).

25123203 is an equidigital number, since it uses as much as digits as its factorization.

25123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 820 counting only the distinct ones).

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

The square root of 25123203 is about 5012.3051583079. The cubic root of 25123203 is about 292.8813172758.

Adding to 25123203 its reverse (30232152), we get a palindrome (55355355).

The spelling of 25123203 in words is "twenty-five million, one hundred twenty-three thousand, two hundred three".