123034302434 has 4 divisors (see below), whose sum is σ = 184551453654. Its totient is φ = 61517151216.

The previous prime is 123034302427. The next prime is 123034302509. The reversal of 123034302434 is 434203430321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434203430321 = 42083 ⋅10317787.

It can be written as a sum of positive squares in only one way, i.e., 113267921809 + 9766380625 = 336553^2 + 98825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123034302397 and 123034302406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30758575607 + ... + 30758575610.

Almost surely, 2^123034302434 is an apocalyptic number.

123034302434 is a deficient number, since it is larger than the sum of its proper divisors (61517151220).

123034302434 is an equidigital number, since it uses as much as digits as its factorization.

123034302434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61517151219.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 123034302434 its reverse (434203430321), we get a palindrome (557237732755).

The spelling of 123034302434 in words is "one hundred twenty-three billion, thirty-four million, three hundred two thousand, four hundred thirty-four".