1431049723 has 2 divisors, whose sum is σ = 1431049724. Its totient is φ = 1431049722.

The previous prime is 1431049663. The next prime is 1431049757. The reversal of 1431049723 is 3279401341.

It is an a-pointer prime, because the next prime (1431049757) can be obtained adding 1431049723 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1431049723 - 2²¹ = 1428952571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431049793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715524861 + 715524862.

It is an arithmetic number, because the mean of its divisors is an integer number (715524862).

Almost surely, 2^1431049723 is an apocalyptic number.

1431049723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431049723 is an equidigital number, since it uses as much as digits as its factorization.

1431049723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1431049723 is about 37829.2178481131. The cubic root of 1431049723 is about 1126.8987780925.

The spelling of 1431049723 in words is "one billion, four hundred thirty-one million, forty-nine thousand, seven hundred twenty-three".