423576340 has 48 divisors (see below), whose sum is σ = 986852160. Its totient is φ = 151412480.

The previous prime is 423576337. The next prime is 423576341. The reversal of 423576340 is 43675324.

It is a junction number, because it is equal to n+sod(n) for n = 423576296 and 423576305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423576341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3337 + ... + 29296.

It is an arithmetic number, because the mean of its divisors is an integer number (20559420).

Almost surely, 2^423576340 is an apocalyptic number.

It is an amenable number.

423576340 is an abundant number, since it is smaller than the sum of its proper divisors (563275820).

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

423576340 is a wasteful number, since it uses less digits than its factorization.

423576340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32712 (or 32710 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 423576340 is about 20580.9703366970. The cubic root of 423576340 is about 751.0068492162.

The spelling of 423576340 in words is "four hundred twenty-three million, five hundred seventy-six thousand, three hundred forty".