137423 has 12 divisors (see below), whose sum is σ = 166824. Its totient is φ = 111600.

The previous prime is 137413. The next prime is 137437. The reversal of 137423 is 324731.

137423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137423 - 2⁶ = 137359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137395 and 137404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4418 + ... + 4448.

It is an arithmetic number, because the mean of its divisors is an integer number (13902).

2¹³⁷⁴²³ is an apocalyptic number.

137423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

137423 is a deficient number, since it is larger than the sum of its proper divisors (29401).

137423 is a wasteful number, since it uses less digits than its factorization.

137423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 55 counting only the distinct ones).

The product of its digits is 504, while the sum is 20.

The square root of 137423 is about 370.7060830361. The cubic root of 137423 is about 51.6043693594.

The spelling of 137423 in words is "one hundred thirty-seven thousand, four hundred twenty-three".