423561404 has 24 divisors (see below), whose sum is σ = 859770240. Its totient is φ = 178816176.

The previous prime is 423561389. The next prime is 423561419. The reversal of 423561404 is 404165324.

It is an interprime number because it is at equal distance from previous prime (423561389) and next prime (423561419).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111014 + ... + 114765.

It is an arithmetic number, because the mean of its divisors is an integer number (35823760).

Almost surely, 2^423561404 is an apocalyptic number.

It is an amenable number.

423561404 is an abundant number, since it is smaller than the sum of its proper divisors (436208836).

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

423561404 is a wasteful number, since it uses less digits than its factorization.

423561404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225857 (or 225855 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 423561404 is about 20580.6074740276. The cubic root of 423561404 is about 750.9980218659.

The spelling of 423561404 in words is "four hundred twenty-three million, five hundred sixty-one thousand, four hundred four".