1212423 has 8 divisors (see below), whose sum is σ = 1711728. Its totient is φ = 760704.

The previous prime is 1212401. The next prime is 1212427. The reversal of 1212423 is 3242121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212423 - 2⁹ = 1211911 is a prime.

It is a d-powerful number, because it can be written as 1 + 2 + 1 + 2¹⁵ + 4¹⁰ + 2¹⁷ + 3 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11836 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (213966).

2^1212423 is an apocalyptic number.

1212423 is a deficient number, since it is larger than the sum of its proper divisors (499305).

1212423 is a wasteful number, since it uses less digits than its factorization.

1212423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23793.

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

The square root of 1212423 is about 1101.1008128232. The cubic root of 1212423 is about 106.6313044672.

Adding to 1212423 its reverse (3242121), we get a palindrome (4454544).

The spelling of 1212423 in words is "one million, two hundred twelve thousand, four hundred twenty-three".