2136170123 has 2 divisors, whose sum is σ = 2136170124. Its totient is φ = 2136170122.

The previous prime is 2136170111. The next prime is 2136170129. The reversal of 2136170123 is 3210716312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2136170123 - 2¹⁴ = 2136153739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2136170092 and 2136170101.

It is not a weakly prime, because it can be changed into another prime (2136170129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068085061 + 1068085062.

It is an arithmetic number, because the mean of its divisors is an integer number (1068085062).

Almost surely, 2^2136170123 is an apocalyptic number.

2136170123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136170123 is an equidigital number, since it uses as much as digits as its factorization.

2136170123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2136170123 is about 46218.7204820731. The cubic root of 2136170123 is about 1287.8895288902.

Adding to 2136170123 its reverse (3210716312), we get a palindrome (5346886435).

The spelling of 2136170123 in words is "two billion, one hundred thirty-six million, one hundred seventy thousand, one hundred twenty-three".