20323042311434 has 16 divisors (see below), whose sum is σ = 30508855138656. Its totient is φ = 10153426962000.

The previous prime is 20323042311391. The next prime is 20323042311449. The reversal of 20323042311434 is 43411324032302.

It is a self number, because there is not a number n which added to its sum of digits gives 20323042311434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12706784 + ... + 14216484.

It is an arithmetic number, because the mean of its divisors is an integer number (1906803446166).

Almost surely, 2^{20323042311434} is an apocalyptic number.

20323042311434 is a deficient number, since it is larger than the sum of its proper divisors (10185812827222).

20323042311434 is a wasteful number, since it uses less digits than its factorization.

20323042311434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515061.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20323042311434 its reverse (43411324032302), we get a palindrome (63734366343736).

The spelling of 20323042311434 in words is "twenty trillion, three hundred twenty-three billion, forty-two million, three hundred eleven thousand, four hundred thirty-four".