1233454223234 has 4 divisors (see below), whose sum is σ = 1850181334854. Its totient is φ = 616727111616.

The previous prime is 1233454223231. The next prime is 1233454223249. The reversal of 1233454223234 is 4323224543321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1096424692609 + 137029530625 = 1047103^2 + 370175^2 .

It is not an unprimeable number, because it can be changed into a prime (1233454223231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308363555807 + ... + 308363555810.

Almost surely, 2^{1233454223234} is an apocalyptic number.

1233454223234 is a deficient number, since it is larger than the sum of its proper divisors (616727111620).

1233454223234 is an equidigital number, since it uses as much as digits as its factorization.

1233454223234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616727111619.

The product of its digits is 414720, while the sum is 38.

Adding to 1233454223234 its reverse (4323224543321), we get a palindrome (5556678766555).

The spelling of 1233454223234 in words is "one trillion, two hundred thirty-three billion, four hundred fifty-four million, two hundred twenty-three thousand, two hundred thirty-four".