140123254350 has 48 divisors (see below), whose sum is σ = 355981434480. Its totient is φ = 36454828800.

The previous prime is 140123254291. The next prime is 140123254351. The reversal of 140123254350 is 53452321041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140123254351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11385985 + ... + 11398284.

It is an arithmetic number, because the mean of its divisors is an integer number (7416279885).

Almost surely, 2^140123254350 is an apocalyptic number.

140123254350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140123254350 is an abundant number, since it is smaller than the sum of its proper divisors (215858180130).

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

140123254350 is a wasteful number, since it uses less digits than its factorization.

140123254350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22784325 (or 22784320 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 140123254350 its reverse (53452321041), we get a palindrome (193575575391).

The spelling of 140123254350 in words is "one hundred forty billion, one hundred twenty-three million, two hundred fifty-four thousand, three hundred fifty".