137424223 has 2 divisors, whose sum is σ = 137424224. Its totient is φ = 137424222.

The previous prime is 137424197. The next prime is 137424227. The reversal of 137424223 is 322424731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137424223 - 2⁵ = 137424191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137424191 and 137424200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137424227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68712111 + 68712112.

It is an arithmetic number, because the mean of its divisors is an integer number (68712112).

Almost surely, 2^137424223 is an apocalyptic number.

137424223 is a deficient number, since it is larger than the sum of its proper divisors (1).

137424223 is an equidigital number, since it uses as much as digits as its factorization.

137424223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 137424223 is about 11722.8078121242. The cubic root of 137424223 is about 516.0452244380.

Adding to 137424223 its reverse (322424731), we get a palindrome (459848954).

The spelling of 137424223 in words is "one hundred thirty-seven million, four hundred twenty-four thousand, two hundred twenty-three".