423153240 has 64 divisors (see below), whose sum is σ = 1288431360. Its totient is φ = 111154560.

The previous prime is 423153229. The next prime is 423153271. The reversal of 423153240 is 42351324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 423153240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18276 + ... + 34355.

It is an arithmetic number, because the mean of its divisors is an integer number (20131740).

Almost surely, 2^423153240 is an apocalyptic number.

423153240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423153240 is an abundant number, since it is smaller than the sum of its proper divisors (865278120).

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

423153240 is a wasteful number, since it uses less digits than its factorization.

423153240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52712 (or 52708 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 423153240 is about 20570.6888557481. The cubic root of 423153240 is about 750.7567118151.

The spelling of 423153240 in words is "four hundred twenty-three million, one hundred fifty-three thousand, two hundred forty".