231223301313004 has 384 divisors, whose sum is σ = 554467915782144. Its totient is φ = 81458887680000.

The previous prime is 231223301312977. The next prime is 231223301313019. The reversal of 231223301313004 is 400313103322132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 68551229062 + ... + 68551232434.

It is an arithmetic number, because the mean of its divisors is an integer number (1443926864016).

Almost surely, 2^{231223301313004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231223301313004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277233957891072).

231223301313004 is an abundant number, since it is smaller than the sum of its proper divisors (323244614469140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231223301313004 is a wasteful number, since it uses less digits than its factorization.

231223301313004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 231223301313004 its reverse (400313103322132), we get a palindrome (631536404635136).

The spelling of 231223301313004 in words is "two hundred thirty-one trillion, two hundred twenty-three billion, three hundred one million, three hundred thirteen thousand, four".