1423943 has 2 divisors, whose sum is σ = 1423944. Its totient is φ = 1423942.

The previous prime is 1423931. The next prime is 1423949. The reversal of 1423943 is 3493241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423943 - 2¹⁴ = 1407559 is a prime.

It is a super-2 number, since 2×1423943² = 4055227334498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711971 + 711972.

It is an arithmetic number, because the mean of its divisors is an integer number (711972).

2^1423943 is an apocalyptic number.

1423943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423943 is an equidigital number, since it uses as much as digits as its factorization.

1423943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 1423943 is about 1193.2908279208. The cubic root of 1423943 is about 112.5030254330.

The spelling of 1423943 in words is "one million, four hundred twenty-three thousand, nine hundred forty-three".