423130440429 has 12 divisors (see below), whose sum is σ = 611453142300. Its totient is φ = 281964777984.

The previous prime is 423130440373. The next prime is 423130440431. The reversal of 423130440429 is 924044031324.

423130440429 is a `hidden beast` number, since 42 + 3 + 130 + 440 + 42 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 209869353225 + 213261087204 = 458115^2 + 461802^2 .

It is not a de Polignac number, because 423130440429 - 2¹⁶ = 423130374893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423130440393 and 423130440402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423130940429) 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, 10159924 + ... + 10201485.

It is an arithmetic number, because the mean of its divisors is an integer number (50954428525).

Almost surely, 2^423130440429 is an apocalyptic number.

It is an amenable number.

423130440429 is a deficient number, since it is larger than the sum of its proper divisors (188322701871).

423130440429 is a wasteful number, since it uses less digits than its factorization.

423130440429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20363724 (or 20363721 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 423130440429 in words is "four hundred twenty-three billion, one hundred thirty million, four hundred forty thousand, four hundred twenty-nine".