136423303 has 2 divisors, whose sum is σ = 136423304. Its totient is φ = 136423302.

The previous prime is 136423289. The next prime is 136423307. The reversal of 136423303 is 303324631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136423303 - 2⁵ = 136423271 is a prime.

It is a super-2 number, since 2×136423303² = 37222635202859618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136423307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68211651 + 68211652.

It is an arithmetic number, because the mean of its divisors is an integer number (68211652).

Almost surely, 2^136423303 is an apocalyptic number.

136423303 is a deficient number, since it is larger than the sum of its proper divisors (1).

136423303 is an equidigital number, since it uses as much as digits as its factorization.

136423303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 136423303 is about 11680.0386557580. The cubic root of 136423303 is about 514.7893102417.

Adding to 136423303 its reverse (303324631), we get a palindrome (439747934).

The spelling of 136423303 in words is "one hundred thirty-six million, four hundred twenty-three thousand, three hundred three".