123234220034 has 4 divisors (see below), whose sum is σ = 184851330054. Its totient is φ = 61617110016.

The previous prime is 123234219943. The next prime is 123234220061. The reversal of 123234220034 is 430022432321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430022432321 = 239 ⋅1799257039.

It can be written as a sum of positive squares in only one way, i.e., 100207068025 + 23027152009 = 316555^2 + 151747^2 .

It is a super-2 number, since 2×123234220034² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123234219985 and 123234220012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30808555007 + ... + 30808555010.

Almost surely, 2^123234220034 is an apocalyptic number.

123234220034 is a deficient number, since it is larger than the sum of its proper divisors (61617110020).

123234220034 is an equidigital number, since it uses as much as digits as its factorization.

123234220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61617110019.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 123234220034 its reverse (430022432321), we get a palindrome (553256652355).

The spelling of 123234220034 in words is "one hundred twenty-three billion, two hundred thirty-four million, two hundred twenty thousand, thirty-four".