136423583 has 4 divisors (see below), whose sum is σ = 136446960. Its totient is φ = 136400208.

The previous prime is 136423579. The next prime is 136423601. The reversal of 136423583 is 385324631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 136423583 - 2² = 136423579 is a prime.

It is a super-2 number, since 2×136423583² = 37222787997115778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136423513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5198 + ... + 17316.

It is an arithmetic number, because the mean of its divisors is an integer number (34111740).

Almost surely, 2^136423583 is an apocalyptic number.

136423583 is a deficient number, since it is larger than the sum of its proper divisors (23377).

136423583 is a wasteful number, since it uses less digits than its factorization.

136423583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23376.

The product of its digits is 51840, while the sum is 35.

The square root of 136423583 is about 11680.0506420135. The cubic root of 136423583 is about 514.7896624320.

The spelling of 136423583 in words is "one hundred thirty-six million, four hundred twenty-three thousand, five hundred eighty-three".