423260264789 has 4 divisors (see below), whose sum is σ = 425031228480. Its totient is φ = 421489301100.

The previous prime is 423260264759. The next prime is 423260264827. The reversal of 423260264789 is 987462062324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423260264789 - 2²⁰ = 423259216213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423260264789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423260264719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885481487 + ... + 885481964.

It is an arithmetic number, because the mean of its divisors is an integer number (106257807120).

Almost surely, 2^423260264789 is an apocalyptic number.

It is an amenable number.

423260264789 is a deficient number, since it is larger than the sum of its proper divisors (1770963691).

423260264789 is a wasteful number, since it uses less digits than its factorization.

423260264789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770963690.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 423260264789 in words is "four hundred twenty-three billion, two hundred sixty million, two hundred sixty-four thousand, seven hundred eighty-nine".