1055423 has 2 divisors, whose sum is σ = 1055424. Its totient is φ = 1055422.

The previous prime is 1055413. The next prime is 1055429. The reversal of 1055423 is 3245501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055423 - 2⁴ = 1055407 is a prime.

It is a super-2 number, since 2×1055423² = 2227835417858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1055395 and 1055404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527711 + 527712.

It is an arithmetic number, because the mean of its divisors is an integer number (527712).

2^1055423 is an apocalyptic number.

1055423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055423 is an equidigital number, since it uses as much as digits as its factorization.

1055423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1055423 is about 1027.3378217510. The cubic root of 1055423 is about 101.8143168031.

The spelling of 1055423 in words is "one million, fifty-five thousand, four hundred twenty-three".