123838577 has 2 divisors, whose sum is σ = 123838578. Its totient is φ = 123838576.

The previous prime is 123838553. The next prime is 123838619. The reversal of 123838577 is 775838321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100180081 + 23658496 = 10009^2 + 4864^2 .

It is a cyclic number.

It is not a de Polignac number, because 123838577 - 2⁶ = 123838513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123808577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61919288 + 61919289.

It is an arithmetic number, because the mean of its divisors is an integer number (61919289).

Almost surely, 2^123838577 is an apocalyptic number.

It is an amenable number.

123838577 is a deficient number, since it is larger than the sum of its proper divisors (1).

123838577 is an equidigital number, since it uses as much as digits as its factorization.

123838577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The square root of 123838577 is about 11128.2782585627. The cubic root of 123838577 is about 498.4466149878.

The spelling of 123838577 in words is "one hundred twenty-three million, eight hundred thirty-eight thousand, five hundred seventy-seven".