425623000 has 64 divisors (see below), whose sum is σ = 1086527520. Its totient is φ = 154768000.

The previous prime is 425622997. The next prime is 425623021. The reversal of 425623000 is 326524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8347 + ... + 30346.

Almost surely, 2^425623000 is an apocalyptic number.

425623000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425623000 is an abundant number, since it is smaller than the sum of its proper divisors (660904520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425623000 is a wasteful number, since it uses less digits than its factorization.

425623000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38725 (or 38711 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 425623000 is about 20630.6325642235. The cubic root of 425623000 is about 752.2144919687.

Adding to 425623000 its reverse (326524), we get a palindrome (425949524).

The spelling of 425623000 in words is "four hundred twenty-five million, six hundred twenty-three thousand".