125423403 has 16 divisors (see below), whose sum is σ = 191389440. Its totient is φ = 71570016.

The previous prime is 125423383. The next prime is 125423411. The reversal of 125423403 is 304324521.

It is not a de Polignac number, because 125423403 - 2⁸ = 125423147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125423423) 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, 12733 + ... + 20321.

It is an arithmetic number, because the mean of its divisors is an integer number (11961840).

Almost surely, 2^125423403 is an apocalyptic number.

125423403 is a deficient number, since it is larger than the sum of its proper divisors (65966037).

125423403 is an equidigital number, since it uses as much as digits as its factorization.

125423403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 125423403 is about 11199.2590379900. The cubic root of 125423403 is about 500.5639011253.

Adding to 125423403 its reverse (304324521), we get a palindrome (429747924).

The spelling of 125423403 in words is "one hundred twenty-five million, four hundred twenty-three thousand, four hundred three".