123404530052 has 24 divisors (see below), whose sum is σ = 223641180672. Its totient is φ = 59519851200.

The previous prime is 123404530033. The next prime is 123404530103. The reversal of 123404530052 is 250035404321.

It is a happy number.

It is a super-2 number, since 2×123404530052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123404529997 and 123404530024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561433 + ... + 1638560.

It is an arithmetic number, because the mean of its divisors is an integer number (9318382528).

Almost surely, 2^123404530052 is an apocalyptic number.

It is an amenable number.

123404530052 is a deficient number, since it is larger than the sum of its proper divisors (100236650620).

123404530052 is a wasteful number, since it uses less digits than its factorization.

123404530052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200339 (or 3200337 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 123404530052 its reverse (250035404321), we get a palindrome (373439934373).

The spelling of 123404530052 in words is "one hundred twenty-three billion, four hundred four million, five hundred thirty thousand, fifty-two".