425849923 has 8 divisors (see below), whose sum is σ = 435617792. Its totient is φ = 416182536.

The previous prime is 425849917. The next prime is 425849927. The reversal of 425849923 is 329948524.

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-425849923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425849927) 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, 16515 + ... + 33532.

It is an arithmetic number, because the mean of its divisors is an integer number (54452224).

Almost surely, 2^425849923 is an apocalyptic number.

425849923 is a deficient number, since it is larger than the sum of its proper divisors (9767869).

425849923 is a wasteful number, since it uses less digits than its factorization.

425849923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50241.

The product of its digits is 622080, while the sum is 46.

The square root of 425849923 is about 20636.1314930876. The cubic root of 425849923 is about 752.3481505057.

The spelling of 425849923 in words is "four hundred twenty-five million, eight hundred forty-nine thousand, nine hundred twenty-three".