20122023443 has 2 divisors, whose sum is σ = 20122023444. Its totient is φ = 20122023442.

The previous prime is 20122023401. The next prime is 20122023469. The reversal of 20122023443 is 34432022102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20122023443 - 2²² = 20117829139 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122026443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061011721 + 10061011722.

It is an arithmetic number, because the mean of its divisors is an integer number (10061011722).

Almost surely, 2^20122023443 is an apocalyptic number.

20122023443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122023443 is an equidigital number, since it uses as much as digits as its factorization.

20122023443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20122023443 its reverse (34432022102), we get a palindrome (54554045545).

The spelling of 20122023443 in words is "twenty billion, one hundred twenty-two million, twenty-three thousand, four hundred forty-three".