244120123 has 4 divisors (see below), whose sum is σ = 262898608. Its totient is φ = 225341640.

The previous prime is 244120049. The next prime is 244120141. The reversal of 244120123 is 321021442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244120123 - 2⁹ = 244119611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244120123.

It is not an unprimeable number, because it can be changed into a prime (244120193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9389223 + ... + 9389248.

It is an arithmetic number, because the mean of its divisors is an integer number (65724652).

Almost surely, 2^244120123 is an apocalyptic number.

244120123 is a deficient number, since it is larger than the sum of its proper divisors (18778485).

244120123 is a wasteful number, since it uses less digits than its factorization.

244120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18778484.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 244120123 is about 15624.3439222260. The cubic root of 244120123 is about 624.9825044703.

Adding to 244120123 its reverse (321021442), we get a palindrome (565141565).

The spelling of 244120123 in words is "two hundred forty-four million, one hundred twenty thousand, one hundred twenty-three".