1423235534 has 16 divisors (see below), whose sum is σ = 2447536608. Its totient is φ = 608032032.

The previous prime is 1423235509. The next prime is 1423235537. The reversal of 1423235534 is 4355323241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423235534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423235537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155909 + ... + 164784.

It is an arithmetic number, because the mean of its divisors is an integer number (152971038).

Almost surely, 2^1423235534 is an apocalyptic number.

1423235534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1423235534 is a deficient number, since it is larger than the sum of its proper divisors (1024301074).

1423235534 is a wasteful number, since it uses less digits than its factorization.

1423235534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321019.

The product of its digits is 43200, while the sum is 32.

The square root of 1423235534 is about 37725.7940141755. The cubic root of 1423235534 is about 1124.8439049929.

Adding to 1423235534 its reverse (4355323241), we get a palindrome (5778558775).

The spelling of 1423235534 in words is "one billion, four hundred twenty-three million, two hundred thirty-five thousand, five hundred thirty-four".