138063223 has 2 divisors, whose sum is σ = 138063224. Its totient is φ = 138063222.

The previous prime is 138063217. The next prime is 138063259. The reversal of 138063223 is 322360831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138063223 - 2⁹ = 138062711 is a prime.

It is a super-2 number, since 2×138063223² = 38122907090295458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138063191 and 138063200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138063293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69031611 + 69031612.

It is an arithmetic number, because the mean of its divisors is an integer number (69031612).

Almost surely, 2^138063223 is an apocalyptic number.

138063223 is a deficient number, since it is larger than the sum of its proper divisors (1).

138063223 is an equidigital number, since it uses as much as digits as its factorization.

138063223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 138063223 is about 11750.0307659172. The cubic root of 138063223 is about 516.8438296827.

The spelling of 138063223 in words is "one hundred thirty-eight million, sixty-three thousand, two hundred twenty-three".