123113503132 has 48 divisors (see below), whose sum is σ = 223212084480. Its totient is φ = 59376062592.

The previous prime is 123113503031. The next prime is 123113503147. The reversal of 123113503132 is 231305311321.

It is a junction number, because it is equal to n+sod(n) for n = 123113503097 and 123113503106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13573663 + ... + 13582729.

It is an arithmetic number, because the mean of its divisors is an integer number (4650251760).

Almost surely, 2^123113503132 is an apocalyptic number.

It is an amenable number.

123113503132 is a deficient number, since it is larger than the sum of its proper divisors (100098581348).

123113503132 is a wasteful number, since it uses less digits than its factorization.

123113503132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090 (or 10088 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 123113503132 its reverse (231305311321), we get a palindrome (354418814453).

The spelling of 123113503132 in words is "one hundred twenty-three billion, one hundred thirteen million, five hundred three thousand, one hundred thirty-two".