20234321400311 has 4 divisors (see below), whose sum is σ = 20234490826272. Its totient is φ = 20234151974352.

The previous prime is 20234321400281. The next prime is 20234321400317. The reversal of 20234321400311 is 11300412343202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20234321400311 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 (20234321400317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84533711 + ... + 84772736.

It is an arithmetic number, because the mean of its divisors is an integer number (5058622706568).

Almost surely, 2^{20234321400311} is an apocalyptic number.

20234321400311 is a deficient number, since it is larger than the sum of its proper divisors (169425961).

20234321400311 is a wasteful number, since it uses less digits than its factorization.

20234321400311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169425960.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20234321400311 its reverse (11300412343202), we get a palindrome (31534733743513).

The spelling of 20234321400311 in words is "twenty trillion, two hundred thirty-four billion, three hundred twenty-one million, four hundred thousand, three hundred eleven".