423437938 has 32 divisors (see below), whose sum is σ = 838470528. Its totient is φ = 155270400.

The previous prime is 423437891. The next prime is 423437941. The reversal of 423437938 is 839734324.

It is a super-3 number, since 3×423437938³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423437894 and 423437903.

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, 78253 + ... + 83488.

It is an arithmetic number, because the mean of its divisors is an integer number (26202204).

Almost surely, 2^423437938 is an apocalyptic number.

423437938 is a deficient number, since it is larger than the sum of its proper divisors (415032590).

423437938 is a wasteful number, since it uses less digits than its factorization.

423437938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161778.

The product of its digits is 435456, while the sum is 43.

The square root of 423437938 is about 20577.6076840822. The cubic root of 423437938 is about 750.9250440704.

The spelling of 423437938 in words is "four hundred twenty-three million, four hundred thirty-seven thousand, nine hundred thirty-eight".