140123231012403 has 6 divisors (see below), whose sum is σ = 202400222573484. Its totient is φ = 93415487341596.

The previous prime is 140123231012351. The next prime is 140123231012407. The reversal of 140123231012403 is 304210132321041.

140123231012403 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 23 + 231 + 0 + 1 + 2 + 403 = 666.

It is not a de Polignac number, because 140123231012403 - 2¹² = 140123231008307 is a prime.

It is a super-3 number, since 3×140123231012403³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140123231012407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7784623945125 + ... + 7784623945142.

It is an arithmetic number, because the mean of its divisors is an integer number (33733370428914).

Almost surely, 2^{140123231012403} is an apocalyptic number.

140123231012403 is a deficient number, since it is larger than the sum of its proper divisors (62276991561081).

140123231012403 is a wasteful number, since it uses less digits than its factorization.

140123231012403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15569247890273 (or 15569247890270 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 140123231012403 its reverse (304210132321041), we get a palindrome (444333363333444).

The spelling of 140123231012403 in words is "one hundred forty trillion, one hundred twenty-three billion, two hundred thirty-one million, twelve thousand, four hundred three".