423059040 has 72 divisors (see below), whose sum is σ = 1443693888. Its totient is φ = 112815360.

The previous prime is 423059029. The next prime is 423059041. The reversal of 423059040 is 40950324.

423059040 is a `hidden beast` number, since 4 + 2 + 30 + 590 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 423058995 and 423059013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423059041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145456 + ... + 148335.

It is an arithmetic number, because the mean of its divisors is an integer number (20051304).

Almost surely, 2^423059040 is an apocalyptic number.

423059040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423059040 is an abundant number, since it is smaller than the sum of its proper divisors (1020634848).

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

423059040 is a wasteful number, since it uses less digits than its factorization.

423059040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293812 (or 293801 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 423059040 is about 20568.3990626398. The cubic root of 423059040 is about 750.7009979317.

The spelling of 423059040 in words is "four hundred twenty-three million, fifty-nine thousand, forty".