123235040132 has 24 divisors (see below), whose sum is σ = 216918858912. Its totient is φ = 61258636800.

The previous prime is 123235040039. The next prime is 123235040141. The reversal of 123235040132 is 231040532321.

It is a happy number.

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, 1162007 + ... + 1263617.

It is an arithmetic number, because the mean of its divisors is an integer number (9038285788).

Almost surely, 2^123235040132 is an apocalyptic number.

It is an amenable number.

123235040132 is a deficient number, since it is larger than the sum of its proper divisors (93683818780).

123235040132 is a wasteful number, since it uses less digits than its factorization.

123235040132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103379 (or 103377 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 123235040132 its reverse (231040532321), we get a palindrome (354275572453).

The spelling of 123235040132 in words is "one hundred twenty-three billion, two hundred thirty-five million, forty thousand, one hundred thirty-two".