140423400343 has 2 divisors, whose sum is σ = 140423400344. Its totient is φ = 140423400342.

The previous prime is 140423400319. The next prime is 140423400371. The reversal of 140423400343 is 343004324041.

It is an a-pointer prime, because the next prime (140423400371) can be obtained adding 140423400343 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140423400343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140423400373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70211700171 + 70211700172.

It is an arithmetic number, because the mean of its divisors is an integer number (70211700172).

Almost surely, 2^140423400343 is an apocalyptic number.

140423400343 is a deficient number, since it is larger than the sum of its proper divisors (1).

140423400343 is an equidigital number, since it uses as much as digits as its factorization.

140423400343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 140423400343 its reverse (343004324041), we get a palindrome (483427724384).

The spelling of 140423400343 in words is "one hundred forty billion, four hundred twenty-three million, four hundred thousand, three hundred forty-three".