1210423 has 4 divisors (see below), whose sum is σ = 1230328. Its totient is φ = 1190520.

The previous prime is 1210411. The next prime is 1210427. The reversal of 1210423 is 3240121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3240121 = 229 ⋅14149.

It is a cyclic number.

It is not a de Polignac number, because 1210423 - 2¹³ = 1202231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210427) 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, 9861 + ... + 9982.

It is an arithmetic number, because the mean of its divisors is an integer number (307582).

2^1210423 is an apocalyptic number.

1210423 is a deficient number, since it is larger than the sum of its proper divisors (19905).

1210423 is an equidigital number, since it uses as much as digits as its factorization.

1210423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19904.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1210423 is about 1100.1922559262. The cubic root of 1210423 is about 106.5726395783.

Adding to 1210423 its reverse (3240121), we get a palindrome (4450544).

The spelling of 1210423 in words is "one million, two hundred ten thousand, four hundred twenty-three".