423134453 has 12 divisors (see below), whose sum is σ = 493788492. Its totient is φ = 361529280.

The previous prime is 423134449. The next prime is 423134461. The reversal of 423134453 is 354431324.

423134453 = T₄₂₇ + T₄₂₈ + ... + T₁₃₇₇.

It can be written as a sum of positive squares in 2 ways, for example, as 251603044 + 171531409 = 15862^2 + 13097^2 .

It is not a de Polignac number, because 423134453 - 2² = 423134449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423134423) 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, 1913 + ... + 29153.

It is an arithmetic number, because the mean of its divisors is an integer number (41149041).

Almost surely, 2^423134453 is an apocalyptic number.

It is an amenable number.

423134453 is a deficient number, since it is larger than the sum of its proper divisors (70654039).

423134453 is a wasteful number, since it uses less digits than its factorization.

423134453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27572 (or 27565 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 423134453 is about 20570.2322057871. The cubic root of 423134453 is about 750.7456010450.

Adding to 423134453 its reverse (354431324), we get a palindrome (777565777).

The spelling of 423134453 in words is "four hundred twenty-three million, one hundred thirty-four thousand, four hundred fifty-three".