123020344 has 8 divisors (see below), whose sum is σ = 230663160. Its totient is φ = 61510168.

The previous prime is 123020341. The next prime is 123020357. The reversal of 123020344 is 443020321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7688764 + ... + 7688779.

It is an arithmetic number, because the mean of its divisors is an integer number (28832895).

Almost surely, 2^123020344 is an apocalyptic number.

It is an amenable number.

123020344 is a deficient number, since it is larger than the sum of its proper divisors (107642816).

123020344 is a wasteful number, since it uses less digits than its factorization.

123020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15377549 (or 15377545 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 123020344 is about 11091.4536468400. The cubic root of 123020344 is about 497.3464003991.

Adding to 123020344 its reverse (443020321), we get a palindrome (566040665).

The spelling of 123020344 in words is "one hundred twenty-three million, twenty thousand, three hundred forty-four".