423231453 has 16 divisors (see below), whose sum is σ = 627379200. Its totient is φ = 281988000.

The previous prime is 423231449. The next prime is 423231461. The reversal of 423231453 is 354132324.

423231453 is a `hidden beast` number, since 423 + 231 + 4 + 5 + 3 = 666.

It is not a de Polignac number, because 423231453 - 2² = 423231449 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423235453) 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, 56953 + ... + 63953.

It is an arithmetic number, because the mean of its divisors is an integer number (39211200).

Almost surely, 2^423231453 is an apocalyptic number.

It is an amenable number.

423231453 is a deficient number, since it is larger than the sum of its proper divisors (204147747).

423231453 is a wasteful number, since it uses less digits than its factorization.

423231453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249 (or 9243 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 423231453 is about 20572.5898466868. The cubic root of 423231453 is about 750.8029640249.

Adding to 423231453 its reverse (354132324), we get a palindrome (777363777).

The spelling of 423231453 in words is "four hundred twenty-three million, two hundred thirty-one thousand, four hundred fifty-three".