1403423125 has 40 divisors (see below), whose sum is σ = 1988238560. Its totient is φ = 981720000.

The previous prime is 1403423123. The next prime is 1403423141. The reversal of 1403423125 is 5213243041.

It is not a de Polignac number, because 1403423125 - 2¹ = 1403423123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1403423125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403423123) 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, 149830 + ... + 158920.

It is an arithmetic number, because the mean of its divisors is an integer number (49705964).

Almost surely, 2^1403423125 is an apocalyptic number.

It is an amenable number.

1403423125 is a deficient number, since it is larger than the sum of its proper divisors (584815435).

1403423125 is an equidigital number, since it uses as much as digits as its factorization.

1403423125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9143 (or 9128 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1403423125 is about 37462.2893721139. The cubic root of 1403423125 is about 1119.5999647559.

Adding to 1403423125 its reverse (5213243041), we get a palindrome (6616666166).

The spelling of 1403423125 in words is "one billion, four hundred three million, four hundred twenty-three thousand, one hundred twenty-five".