1423310421 has 8 divisors (see below), whose sum is σ = 2043727840. Its totient is φ = 875883312.

The previous prime is 1423310411. The next prime is 1423310443. The reversal of 1423310421 is 1240133241.

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

It is not a de Polignac number, because 1423310421 - 2⁷ = 1423310293 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 (1423310411) 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, 18247531 + ... + 18247608.

It is an arithmetic number, because the mean of its divisors is an integer number (255465980).

Almost surely, 2^1423310421 is an apocalyptic number.

It is an amenable number.

1423310421 is a deficient number, since it is larger than the sum of its proper divisors (620417419).

1423310421 is a wasteful number, since it uses less digits than its factorization.

1423310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36495155.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1423310421 is about 37726.7865183347. The cubic root of 1423310421 is about 1124.8636334463.

Adding to 1423310421 its reverse (1240133241), we get a palindrome (2663443662).

The spelling of 1423310421 in words is "one billion, four hundred twenty-three million, three hundred ten thousand, four hundred twenty-one".