123132020244 has 12 divisors (see below), whose sum is σ = 287308047264. Its totient is φ = 41044006744.

The previous prime is 123132020239. The next prime is 123132020269. The reversal of 123132020244 is 442020231321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×123132020244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5130500832 + ... + 5130500855.

It is an arithmetic number, because the mean of its divisors is an integer number (23942337272).

Almost surely, 2^123132020244 is an apocalyptic number.

It is an amenable number.

123132020244 is an abundant number, since it is smaller than the sum of its proper divisors (164176027020).

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

123132020244 is a wasteful number, since it uses less digits than its factorization.

123132020244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261001694 (or 10261001692 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123132020244 its reverse (442020231321), we get a palindrome (565152251565).

The spelling of 123132020244 in words is "one hundred twenty-three billion, one hundred thirty-two million, twenty thousand, two hundred forty-four".