123123034234 has 8 divisors (see below), whose sum is σ = 184686114708. Its totient is φ = 61560996000.

The previous prime is 123123034219. The next prime is 123123034247. The reversal of 123123034234 is 432430321321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116755473025 + 6367561209 = 341695^2 + 79797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191944 + ... + 532060.

Almost surely, 2^123123034234 is an apocalyptic number.

123123034234 is a deficient number, since it is larger than the sum of its proper divisors (61563080474).

123123034234 is a wasteful number, since it uses less digits than its factorization.

123123034234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521120.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123123034234 its reverse (432430321321), we get a palindrome (555553355555).

The spelling of 123123034234 in words is "one hundred twenty-three billion, one hundred twenty-three million, thirty-four thousand, two hundred thirty-four".