431355353123 has 4 divisors (see below), whose sum is σ = 431502727200. Its totient is φ = 431207979048.

The previous prime is 431355353089. The next prime is 431355353147. The reversal of 431355353123 is 321353553134.

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 431355353123 - 2⁶ = 431355353059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431355353323) 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, 73682648 + ... + 73688501.

It is an arithmetic number, because the mean of its divisors is an integer number (107875681800).

Almost surely, 2^431355353123 is an apocalyptic number.

431355353123 is a deficient number, since it is larger than the sum of its proper divisors (147374077).

431355353123 is a wasteful number, since it uses less digits than its factorization.

431355353123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147374076.

The product of its digits is 243000, while the sum is 38.

The spelling of 431355353123 in words is "four hundred thirty-one billion, three hundred fifty-five million, three hundred fifty-three thousand, one hundred twenty-three".