1233423534 has 32 divisors (see below), whose sum is σ = 2916472320. Its totient is φ = 340254432.

The previous prime is 1233423533. The next prime is 1233423539. The reversal of 1233423534 is 4353243321.

It is a super-2 number, since 2×1233423534² = 3042667228450098312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233423533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505114 + ... + 507549.

It is an arithmetic number, because the mean of its divisors is an integer number (91139760).

Almost surely, 2^1233423534 is an apocalyptic number.

1233423534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1233423534 is an abundant number, since it is smaller than the sum of its proper divisors (1683048786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233423534 is a wasteful number, since it uses less digits than its factorization.

1233423534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012704.

The product of its digits is 25920, while the sum is 30.

The square root of 1233423534 is about 35120.1300396226. The cubic root of 1233423534 is about 1072.4344181023.

Adding to 1233423534 its reverse (4353243321), we get a palindrome (5586666855).

The spelling of 1233423534 in words is "one billion, two hundred thirty-three million, four hundred twenty-three thousand, five hundred thirty-four".