136437023 has 2 divisors, whose sum is σ = 136437024. Its totient is φ = 136437022.

The previous prime is 136437017. The next prime is 136437047. The reversal of 136437023 is 320734631.

It is a happy number.

136437023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136437023 - 2⁶ = 136436959 is a prime.

It is a super-3 number, since 3×136437023³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136437823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68218511 + 68218512.

It is an arithmetic number, because the mean of its divisors is an integer number (68218512).

Almost surely, 2^136437023 is an apocalyptic number.

136437023 is a deficient number, since it is larger than the sum of its proper divisors (1).

136437023 is an equidigital number, since it uses as much as digits as its factorization.

136437023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 136437023 is about 11680.6259678153. The cubic root of 136437023 is about 514.8065670016.

The spelling of 136437023 in words is "one hundred thirty-six million, four hundred thirty-seven thousand, twenty-three".