423204231528959 has 4 divisors (see below), whose sum is σ = 448098598089504. Its totient is φ = 398309864968416.

The previous prime is 423204231528863. The next prime is 423204231528971. The reversal of 423204231528959 is 959825132402324.

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

It is a cyclic number.

It is not a de Polignac number, because 423204231528959 - 2¹⁶ = 423204231463423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423204231528898 and 423204231528907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423204231528989) 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, 12447183280247 + ... + 12447183280280.

It is an arithmetic number, because the mean of its divisors is an integer number (112024649522376).

Almost surely, 2^{423204231528959} is an apocalyptic number.

423204231528959 is a deficient number, since it is larger than the sum of its proper divisors (24894366560545).

423204231528959 is a wasteful number, since it uses less digits than its factorization.

423204231528959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894366560544.

The product of its (nonzero) digits is 37324800, while the sum is 59.

The spelling of 423204231528959 in words is "four hundred twenty-three trillion, two hundred four billion, two hundred thirty-one million, five hundred twenty-eight thousand, nine hundred fifty-nine".