423450780 has 48 divisors (see below), whose sum is σ = 1186884384. Its totient is φ = 112803840.

The previous prime is 423450757. The next prime is 423450803. The reversal of 423450780 is 87054324.

It is an interprime number because it is at equal distance from previous prime (423450757) and next prime (423450803).

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, 66120 + ... + 72240.

It is an arithmetic number, because the mean of its divisors is an integer number (24726758).

Almost surely, 2^423450780 is an apocalyptic number.

It is an amenable number.

423450780 is an abundant number, since it is smaller than the sum of its proper divisors (763433604).

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

423450780 is a wasteful number, since it uses less digits than its factorization.

423450780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286 (or 7284 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 423450780 is about 20577.9197199328. The cubic root of 423450780 is about 750.9326353300.

The spelling of 423450780 in words is "four hundred twenty-three million, four hundred fifty thousand, seven hundred eighty".