423621414225 has 72 divisors (see below), whose sum is σ = 774693541440. Its totient is φ = 221225304960.

The previous prime is 423621414221. The next prime is 423621414239. The reversal of 423621414225 is 522414126324.

423621414225 is a `hidden beast` number, since 4 + 2 + 3 + 621 + 4 + 1 + 4 + 2 + 25 = 666.

It is not a de Polignac number, because 423621414225 - 2² = 423621414221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423621414225.

It is not an unprimeable number, because it can be changed into a prime (423621414221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2433391 + ... + 2601659.

It is an arithmetic number, because the mean of its divisors is an integer number (10759632520).

Almost surely, 2^423621414225 is an apocalyptic number.

423621414225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423621414225 is a deficient number, since it is larger than the sum of its proper divisors (351072127215).

423621414225 is a wasteful number, since it uses less digits than its factorization.

423621414225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168519 (or 168511 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 423621414225 in words is "four hundred twenty-three billion, six hundred twenty-one million, four hundred fourteen thousand, two hundred twenty-five".