1423278241 has 8 divisors (see below), whose sum is σ = 1774476864. Its totient is φ = 1109047920.

The previous prime is 1423278229. The next prime is 1423278251. The reversal of 1423278241 is 1428723241.

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 1423278241 - 2⁵ = 1423278209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423278197 and 1423278206.

It is not an unprimeable number, because it can be changed into a prime (1423278251) 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, 9241990 + ... + 9242143.

It is an arithmetic number, because the mean of its divisors is an integer number (221809608).

Almost surely, 2^1423278241 is an apocalyptic number.

1423278241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1423278241 is a deficient number, since it is larger than the sum of its proper divisors (351198623).

1423278241 is a wasteful number, since it uses less digits than its factorization.

1423278241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18484151.

The product of its digits is 21504, while the sum is 34.

The square root of 1423278241 is about 37726.3600285000. The cubic root of 1423278241 is about 1124.8551559364.

The spelling of 1423278241 in words is "one billion, four hundred twenty-three million, two hundred seventy-eight thousand, two hundred forty-one".