1600145123 has 2 divisors, whose sum is σ = 1600145124. Its totient is φ = 1600145122.

The previous prime is 1600145087. The next prime is 1600145137. The reversal of 1600145123 is 3215410061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1600145123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1600145023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800072561 + 800072562.

It is an arithmetic number, because the mean of its divisors is an integer number (800072562).

Almost surely, 2^1600145123 is an apocalyptic number.

1600145123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600145123 is an equidigital number, since it uses as much as digits as its factorization.

1600145123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1600145123 is about 40001.8139963677. The cubic root of 1600145123 is about 1169.6424560683.

Adding to 1600145123 its reverse (3215410061), we get a palindrome (4815555184).

The spelling of 1600145123 in words is "one billion, six hundred million, one hundred forty-five thousand, one hundred twenty-three".