20232783071 has 2 divisors, whose sum is σ = 20232783072. Its totient is φ = 20232783070.

The previous prime is 20232783059. The next prime is 20232783073. The reversal of 20232783071 is 17038723202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20232783071 - 2²² = 20228588767 is a prime.

Together with 20232783073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20232783073) 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 as a sum of consecutive naturals, namely, 10116391535 + 10116391536.

It is an arithmetic number, because the mean of its divisors is an integer number (10116391536).

Almost surely, 2^20232783071 is an apocalyptic number.

20232783071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232783071 is an equidigital number, since it uses as much as digits as its factorization.

20232783071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 20232783071 in words is "twenty billion, two hundred thirty-two million, seven hundred eighty-three thousand, seventy-one".