123041879 has 2 divisors, whose sum is σ = 123041880. Its totient is φ = 123041878.

The previous prime is 123041851. The next prime is 123041917. The reversal of 123041879 is 978140321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123041879 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123044879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61520939 + 61520940.

It is an arithmetic number, because the mean of its divisors is an integer number (61520940).

Almost surely, 2^123041879 is an apocalyptic number.

123041879 is a deficient number, since it is larger than the sum of its proper divisors (1).

123041879 is an equidigital number, since it uses as much as digits as its factorization.

123041879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 123041879 is about 11092.4243968575. The cubic root of 123041879 is about 497.3754192575.

The spelling of 123041879 in words is "one hundred twenty-three million, forty-one thousand, eight hundred seventy-nine".