1426993723 has 2 divisors, whose sum is σ = 1426993724. Its totient is φ = 1426993722.

The previous prime is 1426993721. The next prime is 1426993759. The reversal of 1426993723 is 3273996241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426993723 - 2¹ = 1426993721 is a prime.

It is a super-2 number, since 2×1426993723² = 4072622170962801458, which contains 22 as substring.

Together with 1426993721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1426993721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713496861 + 713496862.

It is an arithmetic number, because the mean of its divisors is an integer number (713496862).

Almost surely, 2^1426993723 is an apocalyptic number.

1426993723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426993723 is an equidigital number, since it uses as much as digits as its factorization.

1426993723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 1426993723 is about 37775.5704523439. The cubic root of 1426993723 is about 1125.8331206237.

The spelling of 1426993723 in words is "one billion, four hundred twenty-six million, nine hundred ninety-three thousand, seven hundred twenty-three".