10400144243 has 2 divisors, whose sum is σ = 10400144244. Its totient is φ = 10400144242.

The previous prime is 10400144239. The next prime is 10400144273. The reversal of 10400144243 is 34244100401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10400144243 - 2² = 10400144239 is a prime.

It is not a weakly prime, because it can be changed into another prime (10400144273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200072121 + 5200072122.

It is an arithmetic number, because the mean of its divisors is an integer number (5200072122).

Almost surely, 2^10400144243 is an apocalyptic number.

10400144243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400144243 is an equidigital number, since it uses as much as digits as its factorization.

10400144243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10400144243 its reverse (34244100401), we get a palindrome (44644244644).

The spelling of 10400144243 in words is "ten billion, four hundred million, one hundred forty-four thousand, two hundred forty-three".