425203423 has 8 divisors (see below), whose sum is σ = 440466480. Its totient is φ = 409980480.

The previous prime is 425203381. The next prime is 425203447. The reversal of 425203423 is 324302524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425203423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425206423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12436 + ... + 31702.

It is an arithmetic number, because the mean of its divisors is an integer number (55058310).

Almost surely, 2^425203423 is an apocalyptic number.

425203423 is a deficient number, since it is larger than the sum of its proper divisors (15263057).

425203423 is a wasteful number, since it uses less digits than its factorization.

425203423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20057.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 425203423 is about 20620.4612703014. The cubic root of 425203423 is about 751.9672342889.

Adding to 425203423 its reverse (324302524), we get a palindrome (749505947).

The spelling of 425203423 in words is "four hundred twenty-five million, two hundred three thousand, four hundred twenty-three".