123004420544 has 28 divisors (see below), whose sum is σ = 245134509984. Its totient is φ = 61238244864.

The previous prime is 123004420543. The next prime is 123004420613. The reversal of 123004420544 is 445024400321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123004420543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4109432 + ... + 4139255.

It is an arithmetic number, because the mean of its divisors is an integer number (8754803928).

Almost surely, 2^123004420544 is an apocalyptic number.

It is an amenable number.

123004420544 is a deficient number, since it is larger than the sum of its proper divisors (122130089440).

123004420544 is an equidigital number, since it uses as much as digits as its factorization.

123004420544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248932 (or 8248922 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 123004420544 its reverse (445024400321), we get a palindrome (568028820865).

The spelling of 123004420544 in words is "one hundred twenty-three billion, four million, four hundred twenty thousand, five hundred forty-four".