1423291 has 8 divisors (see below), whose sum is σ = 1559520. Its totient is φ = 1292928.

The previous prime is 1423283. The next prime is 1423297. The reversal of 1423291 is 1923241.

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

It is a cyclic number.

It is not a de Polignac number, because 1423291 - 2³ = 1423283 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1423297) 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, 951 + ... + 1936.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

2^1423291 is an apocalyptic number.

1423291 is a deficient number, since it is larger than the sum of its proper divisors (136229).

1423291 is a wasteful number, since it uses less digits than its factorization.

1423291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its digits is 432, while the sum is 22.

The square root of 1423291 is about 1193.0176025525. The cubic root of 1423291 is about 112.4858517187.

The spelling of 1423291 in words is "one million, four hundred twenty-three thousand, two hundred ninety-one".