1613335123 has 2 divisors, whose sum is σ = 1613335124. Its totient is φ = 1613335122.

The previous prime is 1613335091. The next prime is 1613335127. The reversal of 1613335123 is 3215333161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1613335123 - 2⁵ = 1613335091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1613335091 and 1613335100.

It is not a weakly prime, because it can be changed into another prime (1613335127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806667561 + 806667562.

It is an arithmetic number, because the mean of its divisors is an integer number (806667562).

Almost surely, 2^1613335123 is an apocalyptic number.

1613335123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613335123 is an equidigital number, since it uses as much as digits as its factorization.

1613335123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 28.

The square root of 1613335123 is about 40166.3431619061. The cubic root of 1613335123 is about 1172.8474543662.

Adding to 1613335123 its reverse (3215333161), we get a palindrome (4828668284).

The spelling of 1613335123 in words is "one billion, six hundred thirteen million, three hundred thirty-five thousand, one hundred twenty-three".