1423755 has 24 divisors (see below), whose sum is σ = 2555280. Its totient is φ = 732480.

The previous prime is 1423753. The next prime is 1423757. The reversal of 1423755 is 5573241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1423753) and next prime (1423757).

It is not a de Polignac number, because 1423755 - 2¹ = 1423753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 760 + ... + 1850.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2^1423755 is an apocalyptic number.

1423755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1423755 is a deficient number, since it is larger than the sum of its proper divisors (1131525).

1423755 is a wasteful number, since it uses less digits than its factorization.

1423755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1128 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1423755 is about 1193.2120515650. The cubic root of 1423755 is about 112.4980740411.

Adding to 1423755 its reverse (5573241), we get a palindrome (6996996).

The spelling of 1423755 in words is "one million, four hundred twenty-three thousand, seven hundred fifty-five".