423044031 has 16 divisors (see below), whose sum is σ = 598649184. Its totient is φ = 264812544.

The previous prime is 423044023. The next prime is 423044033. The reversal of 423044031 is 130440324.

It is not a de Polignac number, because 423044031 - 2³ = 423044023 is a prime.

It is a super-2 number, since 2×423044031² = 357932504329457922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423043989 and 423044007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423044033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12505 + ... + 31661.

It is an arithmetic number, because the mean of its divisors is an integer number (37415574).

Almost surely, 2^423044031 is an apocalyptic number.

423044031 is a deficient number, since it is larger than the sum of its proper divisors (175605153).

423044031 is a wasteful number, since it uses less digits than its factorization.

423044031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19610.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423044031 is about 20568.0342035888. The cubic root of 423044031 is about 750.6921202075.

Adding to 423044031 its reverse (130440324), we get a palindrome (553484355).

The spelling of 423044031 in words is "four hundred twenty-three million, forty-four thousand, thirty-one".