1401423 has 4 divisors (see below), whose sum is σ = 1868568. Its totient is φ = 934280.

The previous prime is 1401409. The next prime is 1401437. The reversal of 1401423 is 3241041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3241041 = 3 ⋅1080347.

It is an interprime number because it is at equal distance from previous prime (1401409) and next prime (1401437).

It is a cyclic number.

It is not a de Polignac number, because 1401423 - 2⁸ = 1401167 is a prime.

It is a D-number.

1401423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401403) 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 in 3 ways as a sum of consecutive naturals, for example, 233568 + ... + 233573.

It is an arithmetic number, because the mean of its divisors is an integer number (467142).

2^1401423 is an apocalyptic number.

1401423 is a deficient number, since it is larger than the sum of its proper divisors (467145).

1401423 is an equidigital number, since it uses as much as digits as its factorization.

1401423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467144.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1401423 is about 1183.8171311482. The cubic root of 1401423 is about 111.9067836205.

Adding to 1401423 its reverse (3241041), we get a palindrome (4642464).

The spelling of 1401423 in words is "one million, four hundred one thousand, four hundred twenty-three".