125523203 has 16 divisors (see below), whose sum is σ = 139771296. Its totient is φ = 111974400.

The previous prime is 125523199. The next prime is 125523241. The reversal of 125523203 is 302325521.

It is a cyclic number.

It is not a de Polignac number, because 125523203 - 2² = 125523199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125523403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77603 + ... + 79203.

It is an arithmetic number, because the mean of its divisors is an integer number (8735706).

Almost surely, 2^125523203 is an apocalyptic number.

125523203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125523203 is a deficient number, since it is larger than the sum of its proper divisors (14248093).

125523203 is a wasteful number, since it uses less digits than its factorization.

125523203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 125523203 is about 11203.7138039134. The cubic root of 125523203 is about 500.6966329543.

Adding to 125523203 its reverse (302325521), we get a palindrome (427848724).

The spelling of 125523203 in words is "one hundred twenty-five million, five hundred twenty-three thousand, two hundred three".