423672560 has 40 divisors (see below), whose sum is σ = 991677600. Its totient is φ = 168326912.

The previous prime is 423672553. The next prime is 423672563. The reversal of 423672560 is 65276324.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 423672560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423672563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5852 + ... + 29691.

It is an arithmetic number, because the mean of its divisors is an integer number (24791940).

Almost surely, 2^423672560 is an apocalyptic number.

423672560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423672560 is an abundant number, since it is smaller than the sum of its proper divisors (568005040).

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

423672560 is a wasteful number, since it uses less digits than its factorization.

423672560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35705 (or 35699 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 423672560 is about 20583.3078002541. The cubic root of 423672560 is about 751.0637113850.

The spelling of 423672560 in words is "four hundred twenty-three million, six hundred seventy-two thousand, five hundred sixty".