123053507106 has 32 divisors (see below), whose sum is σ = 259828820160. Its totient is φ = 38743681536.

The previous prime is 123053507089. The next prime is 123053507111. The reversal of 123053507106 is 601705350321.

It is a super-2 number, since 2×123053507106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563091 + ... + 1639926.

It is an arithmetic number, because the mean of its divisors is an integer number (8119650630).

Almost surely, 2^123053507106 is an apocalyptic number.

123053507106 is an abundant number, since it is smaller than the sum of its proper divisors (136775313054).

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

123053507106 is a wasteful number, since it uses less digits than its factorization.

123053507106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203378.

The product of its (nonzero) digits is 18900, while the sum is 33.

Adding to 123053507106 its reverse (601705350321), we get a palindrome (724758857427).

The spelling of 123053507106 in words is "one hundred twenty-three billion, fifty-three million, five hundred seven thousand, one hundred six".