20014001123 has 2 divisors, whose sum is σ = 20014001124. Its totient is φ = 20014001122.

The previous prime is 20014001099. The next prime is 20014001131. The reversal of 20014001123 is 32110041002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20014001123 - 2¹² = 20013997027 is a prime.

It is a super-2 number, since 2×20014001123² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20014001098 and 20014001107.

It is not a weakly prime, because it can be changed into another prime (20014001153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007000561 + 10007000562.

It is an arithmetic number, because the mean of its divisors is an integer number (10007000562).

Almost surely, 2^20014001123 is an apocalyptic number.

20014001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20014001123 is an equidigital number, since it uses as much as digits as its factorization.

20014001123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20014001123 its reverse (32110041002), we get a palindrome (52124042125).

The spelling of 20014001123 in words is "twenty billion, fourteen million, one thousand, one hundred twenty-three".