1613123 has 2 divisors, whose sum is σ = 1613124. Its totient is φ = 1613122.

The previous prime is 1613099. The next prime is 1613141. The reversal of 1613123 is 3213161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1613123 - 2¹⁴ = 1596739 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1613153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806561 + 806562.

It is an arithmetic number, because the mean of its divisors is an integer number (806562).

2^1613123 is an apocalyptic number.

1613123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613123 is an equidigital number, since it uses as much as digits as its factorization.

1613123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 17.

The square root of 1613123 is about 1270.0877922412. The cubic root of 1613123 is about 117.2796049707.

Adding to 1613123 its reverse (3213161), we get a palindrome (4826284).

The spelling of 1613123 in words is "one million, six hundred thirteen thousand, one hundred twenty-three".