1423329247 has 8 divisors (see below), whose sum is σ = 1458588096. Its totient is φ = 1388277792.

The previous prime is 1423329241. The next prime is 1423329277. The reversal of 1423329247 is 7429233241.

It is a happy number.

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 1423329247 - 2¹⁹ = 1422804959 is a prime.

It is a super-2 number, since 2×1423329247² = 4051732290731174018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423329241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37908 + ... + 65449.

It is an arithmetic number, because the mean of its divisors is an integer number (182323512).

Almost surely, 2^1423329247 is an apocalyptic number.

1423329247 is a deficient number, since it is larger than the sum of its proper divisors (35258849).

1423329247 is a wasteful number, since it uses less digits than its factorization.

1423329247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103697.

The product of its digits is 72576, while the sum is 37.

The square root of 1423329247 is about 37727.0360219299. The cubic root of 1423329247 is about 1124.8685929148.

The spelling of 1423329247 in words is "one billion, four hundred twenty-three million, three hundred twenty-nine thousand, two hundred forty-seven".