1423542303 has 16 divisors (see below), whose sum is σ = 2111004000. Its totient is φ = 948104640.

The previous prime is 1423542287. The next prime is 1423542313. The reversal of 1423542303 is 3032453241.

1423542303 is a `hidden beast` number, since 1 + 4 + 2 + 354 + 2 + 303 = 666.

It is not a de Polignac number, because 1423542303 - 2⁴ = 1423542287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423542313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3193 + ... + 53453.

It is an arithmetic number, because the mean of its divisors is an integer number (131937750).

Almost surely, 2^1423542303 is an apocalyptic number.

1423542303 is a deficient number, since it is larger than the sum of its proper divisors (687461697).

1423542303 is a wasteful number, since it uses less digits than its factorization.

1423542303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51319 (or 51313 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1423542303 is about 37729.8595677217. The cubic root of 1423542303 is about 1124.9247167401.

Adding to 1423542303 its reverse (3032453241), we get a palindrome (4455995544).

The spelling of 1423542303 in words is "one billion, four hundred twenty-three million, five hundred forty-two thousand, three hundred three".