423419956 has 12 divisors (see below), whose sum is σ = 759058020. Its totient is φ = 206546240.

The previous prime is 423419951. The next prime is 423419987. The reversal of 423419956 is 659914324.

It can be written as a sum of positive squares in 2 ways, for example, as 59907600 + 363512356 = 7740^2 + 19066^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423419951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290751 + ... + 1291078.

It is an arithmetic number, because the mean of its divisors is an integer number (63254835).

Almost surely, 2^423419956 is an apocalyptic number.

It is an amenable number.

423419956 is a deficient number, since it is larger than the sum of its proper divisors (335638064).

423419956 is a wasteful number, since it uses less digits than its factorization.

423419956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581874 (or 2581872 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 423419956 is about 20577.1707481860. The cubic root of 423419956 is about 750.9144141574.

The spelling of 423419956 in words is "four hundred twenty-three million, four hundred nineteen thousand, nine hundred fifty-six".