234423155354 has 4 divisors (see below), whose sum is σ = 351634733034. Its totient is φ = 117211577676.

The previous prime is 234423155353. The next prime is 234423155357. The reversal of 234423155354 is 453551324432.

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., 121441795225 + 112981360129 = 348485^2 + 336127^2 .

It is a super-2 number, since 2×234423155354² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234423155353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58605788837 + ... + 58605788840.

Almost surely, 2^234423155354 is an apocalyptic number.

234423155354 is a deficient number, since it is larger than the sum of its proper divisors (117211577680).

234423155354 is a wasteful number, since it uses less digits than its factorization.

234423155354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117211577679.

The product of its digits is 864000, while the sum is 41.

Adding to 234423155354 its reverse (453551324432), we get a palindrome (687974479786).

The spelling of 234423155354 in words is "two hundred thirty-four billion, four hundred twenty-three million, one hundred fifty-five thousand, three hundred fifty-four".