423134737 has 4 divisors (see below), whose sum is σ = 437725620. Its totient is φ = 408543856.

The previous prime is 423134729. The next prime is 423134759. The reversal of 423134737 is 737431324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 295014976 + 128119761 = 17176^2 + 11319^2 .

It is a cyclic number.

It is not a de Polignac number, because 423134737 - 2³ = 423134729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423134137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7295398 + ... + 7295455.

It is an arithmetic number, because the mean of its divisors is an integer number (109431405).

Almost surely, 2^423134737 is an apocalyptic number.

It is an amenable number.

423134737 is a deficient number, since it is larger than the sum of its proper divisors (14590883).

423134737 is a wasteful number, since it uses less digits than its factorization.

423134737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14590882.

The product of its digits is 42336, while the sum is 34.

The square root of 423134737 is about 20570.2391089652. The cubic root of 423134737 is about 750.7457690071.

The spelling of 423134737 in words is "four hundred twenty-three million, one hundred thirty-four thousand, seven hundred thirty-seven".