140123663512 has 32 divisors (see below), whose sum is σ = 301688075520. Its totient is φ = 59768382240.

The previous prime is 140123663467. The next prime is 140123663513. The reversal of 140123663512 is 215366321041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140123663513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5917588 + ... + 5941219.

It is an arithmetic number, because the mean of its divisors is an integer number (9427752360).

Almost surely, 2^140123663512 is an apocalyptic number.

It is an amenable number.

140123663512 is an abundant number, since it is smaller than the sum of its proper divisors (161564412008).

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

140123663512 is a wasteful number, since it uses less digits than its factorization.

140123663512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11859031 (or 11859027 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 140123663512 its reverse (215366321041), we get a palindrome (355489984553).

The spelling of 140123663512 in words is "one hundred forty billion, one hundred twenty-three million, six hundred sixty-three thousand, five hundred twelve".