423000343000551 has 4 divisors (see below), whose sum is σ = 564000457334072. Its totient is φ = 282000228667032.

The previous prime is 423000343000471. The next prime is 423000343000583. The reversal of 423000343000551 is 155000343000324.

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

It is not a de Polignac number, because 423000343000551 - 2²⁵ = 423000309446119 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 (423000343000051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70500057166756 + ... + 70500057166761.

It is an arithmetic number, because the mean of its divisors is an integer number (141000114333518).

Almost surely, 2^{423000343000551} is an apocalyptic number.

423000343000551 is a deficient number, since it is larger than the sum of its proper divisors (141000114333521).

423000343000551 is a wasteful number, since it uses less digits than its factorization.

423000343000551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141000114333520.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 423000343000551 its reverse (155000343000324), we get a palindrome (578000686000875).

The spelling of 423000343000551 in words is "four hundred twenty-three trillion, three hundred forty-three million, five hundred fifty-one", and thus it is an aban number.