423321451 has 8 divisors (see below), whose sum is σ = 488493824. Its totient is φ = 359323560.

The previous prime is 423321449. The next prime is 423321467. The reversal of 423321451 is 154123324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423321451 - 2¹ = 423321449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423321491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292845 + ... + 294286.

It is an arithmetic number, because the mean of its divisors is an integer number (61061728).

Almost surely, 2^423321451 is an apocalyptic number.

423321451 is a deficient number, since it is larger than the sum of its proper divisors (65172373).

423321451 is a wasteful number, since it uses less digits than its factorization.

423321451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587241.

The product of its digits is 2880, while the sum is 25.

The square root of 423321451 is about 20574.7770583304. Note that the first 3 decimals coincide. The cubic root of 423321451 is about 750.8561783877.

Adding to 423321451 its reverse (154123324), we get a palindrome (577444775).

The spelling of 423321451 in words is "four hundred twenty-three million, three hundred twenty-one thousand, four hundred fifty-one".