123938443 has 2 divisors, whose sum is σ = 123938444. Its totient is φ = 123938442.

The previous prime is 123938407. The next prime is 123938447. The reversal of 123938443 is 344839321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123938443 - 2²⁵ = 90384011 is a prime.

It is not a weakly prime, because it can be changed into another prime (123938447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61969221 + 61969222.

It is an arithmetic number, because the mean of its divisors is an integer number (61969222).

Almost surely, 2^123938443 is an apocalyptic number.

123938443 is a deficient number, since it is larger than the sum of its proper divisors (1).

123938443 is an equidigital number, since it uses as much as digits as its factorization.

123938443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 123938443 is about 11132.7643916504. The cubic root of 123938443 is about 498.5805648878.

The spelling of 123938443 in words is "one hundred twenty-three million, nine hundred thirty-eight thousand, four hundred forty-three".