123053531004 has 72 divisors (see below), whose sum is σ = 315535409280. Its totient is φ = 40426999200.

The previous prime is 123053530979. The next prime is 123053531023. The reversal of 123053531004 is 400135350321.

123053531004 is a `hidden beast` number, since 1 + 2 + 305 + 353 + 1 + 0 + 0 + 4 = 666.

123053531004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10778059 + ... + 10789469.

It is an arithmetic number, because the mean of its divisors is an integer number (4382436240).

Almost surely, 2^123053531004 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 123053531004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157767704640).

123053531004 is an abundant number, since it is smaller than the sum of its proper divisors (192481878276).

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

123053531004 is a wasteful number, since it uses less digits than its factorization.

123053531004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15711 (or 15706 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 123053531004 its reverse (400135350321), we get a palindrome (523188881325).

The spelling of 123053531004 in words is "one hundred twenty-three billion, fifty-three million, five hundred thirty-one thousand, four".