244123231403 has 4 divisors (see below), whose sum is σ = 244259691120. Its totient is φ = 243986771688.

The previous prime is 244123231381. The next prime is 244123231409. The reversal of 244123231403 is 304132321442.

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 244123231403 - 2²⁴ = 244106454187 is a prime.

It is a super-2 number, since 2×244123231403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244123231409) 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, 68227175 + ... + 68230752.

It is an arithmetic number, because the mean of its divisors is an integer number (61064922780).

Almost surely, 2^244123231403 is an apocalyptic number.

244123231403 is a deficient number, since it is larger than the sum of its proper divisors (136459717).

244123231403 is a wasteful number, since it uses less digits than its factorization.

244123231403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136459716.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 244123231403 its reverse (304132321442), we get a palindrome (548255552845).

The spelling of 244123231403 in words is "two hundred forty-four billion, one hundred twenty-three million, two hundred thirty-one thousand, four hundred three".