20123110283 has 2 divisors, whose sum is σ = 20123110284. Its totient is φ = 20123110282.

The previous prime is 20123110199. The next prime is 20123110363. The reversal of 20123110283 is 38201132102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20123110283 - 2¹² = 20123106187 is a prime.

It is not a weakly prime, because it can be changed into another prime (20123112283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061555141 + 10061555142.

It is an arithmetic number, because the mean of its divisors is an integer number (10061555142).

Almost surely, 2^20123110283 is an apocalyptic number.

20123110283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123110283 is an equidigital number, since it uses as much as digits as its factorization.

20123110283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20123110283 its reverse (38201132102), we get a palindrome (58324242385).

The spelling of 20123110283 in words is "twenty billion, one hundred twenty-three million, one hundred ten thousand, two hundred eighty-three".