1051423 has 2 divisors, whose sum is σ = 1051424. Its totient is φ = 1051422.

The previous prime is 1051417. The next prime is 1051459. The reversal of 1051423 is 3241501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051423 is a prime.

It is a super-2 number, since 2×1051423² = 2210980649858, which contains 22 as substring.

1051423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1051397 and 1051406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525711 + 525712.

It is an arithmetic number, because the mean of its divisors is an integer number (525712).

2^1051423 is an apocalyptic number.

1051423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051423 is an equidigital number, since it uses as much as digits as its factorization.

1051423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1051423 is about 1025.3891944038. The cubic root of 1051423 is about 101.6855302571.

Adding to 1051423 its reverse (3241501), we get a palindrome (4292924).

The spelling of 1051423 in words is "one million, fifty-one thousand, four hundred twenty-three".