140123345251 has 2 divisors, whose sum is σ = 140123345252. Its totient is φ = 140123345250.

The previous prime is 140123345207. The next prime is 140123345269. The reversal of 140123345251 is 152543321041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140123345251 - 2¹¹ = 140123343203 is a prime.

It is not a weakly prime, because it can be changed into another prime (140123345851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70061672625 + 70061672626.

It is an arithmetic number, because the mean of its divisors is an integer number (70061672626).

Almost surely, 2^140123345251 is an apocalyptic number.

140123345251 is a deficient number, since it is larger than the sum of its proper divisors (1).

140123345251 is an equidigital number, since it uses as much as digits as its factorization.

140123345251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 140123345251 its reverse (152543321041), we get a palindrome (292666666292).

The spelling of 140123345251 in words is "one hundred forty billion, one hundred twenty-three million, three hundred forty-five thousand, two hundred fifty-one".