423454120 has 32 divisors (see below), whose sum is σ = 958854600. Its totient is φ = 168300288.

The previous prime is 423454117. The next prime is 423454123. The reversal of 423454120 is 21454324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (423454117) and next prime (423454123).

It can be written as a sum of positive squares in 4 ways, for example, as 152324964 + 271129156 = 12342^2 + 16466^2 .

It is not an unprimeable number, because it can be changed into a prime (423454123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27435 + ... + 39994.

Almost surely, 2^423454120 is an apocalyptic number.

423454120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423454120 is an abundant number, since it is smaller than the sum of its proper divisors (535400480).

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

423454120 is a wasteful number, since it uses less digits than its factorization.

423454120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67597 (or 67593 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 423454120 is about 20578.0008747206. Note that the first 3 decimals coincide. The cubic root of 423454120 is about 750.9346096707.

The spelling of 423454120 in words is "four hundred twenty-three million, four hundred fifty-four thousand, one hundred twenty".