123044279 has 2 divisors, whose sum is σ = 123044280. Its totient is φ = 123044278.

The previous prime is 123044183. The next prime is 123044293. The reversal of 123044279 is 972440321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123044279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123044179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61522139 + 61522140.

It is an arithmetic number, because the mean of its divisors is an integer number (61522140).

Almost surely, 2^123044279 is an apocalyptic number.

123044279 is a deficient number, since it is larger than the sum of its proper divisors (1).

123044279 is an equidigital number, since it uses as much as digits as its factorization.

123044279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 123044279 is about 11092.5325782708. The cubic root of 123044279 is about 497.3786530975.

The spelling of 123044279 in words is "one hundred twenty-three million, forty-four thousand, two hundred seventy-nine".