423969450 has 24 divisors (see below), whose sum is σ = 1051444608. Its totient is φ = 113058480.

The previous prime is 423969449. The next prime is 423969451. The reversal of 423969450 is 54969324.

It is an interprime number because it is at equal distance from previous prime (423969449) and next prime (423969451).

It is not an unprimeable number, because it can be changed into a prime (423969451) 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, 1413082 + ... + 1413381.

It is an arithmetic number, because the mean of its divisors is an integer number (43810192).

Almost surely, 2^423969450 is an apocalyptic number.

423969450 is an abundant number, since it is smaller than the sum of its proper divisors (627475158).

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

423969450 is a wasteful number, since it uses less digits than its factorization.

423969450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826478 (or 2826473 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 423969450 is about 20590.5184490338. The cubic root of 423969450 is about 751.2391072458.

The spelling of 423969450 in words is "four hundred twenty-three million, nine hundred sixty-nine thousand, four hundred fifty".