423021002644451 has 8 divisors (see below), whose sum is σ = 423437628382608. Its totient is φ = 422604381420000.

The previous prime is 423021002644403. The next prime is 423021002644469. The reversal of 423021002644451 is 154446200120324.

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 423021002644451 - 2²⁶ = 423020935535587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423021062644451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204909656 + ... + 206963786.

It is an arithmetic number, because the mean of its divisors is an integer number (52929703547826).

Almost surely, 2^{423021002644451} is an apocalyptic number.

423021002644451 is a deficient number, since it is larger than the sum of its proper divisors (416625738157).

423021002644451 is a wasteful number, since it uses less digits than its factorization.

423021002644451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256853.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 423021002644451 its reverse (154446200120324), we get a palindrome (577467202764775).

The spelling of 423021002644451 in words is "four hundred twenty-three trillion, twenty-one billion, two million, six hundred forty-four thousand, four hundred fifty-one".