124123423434 has 32 divisors (see below), whose sum is σ = 251038104576. Its totient is φ = 40910054400.

The previous prime is 124123423429. The next prime is 124123423483. The reversal of 124123423434 is 434324321421.

It is a junction number, because it is equal to n+sod(n) for n = 124123423395 and 124123423404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534534 + ... + 730734.

It is an arithmetic number, because the mean of its divisors is an integer number (7844940768).

Almost surely, 2^124123423434 is an apocalyptic number.

124123423434 is an abundant number, since it is smaller than the sum of its proper divisors (126914681142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124123423434 is a wasteful number, since it uses less digits than its factorization.

124123423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197390.

The product of its digits is 55296, while the sum is 33.

Adding to 124123423434 its reverse (434324321421), we get a palindrome (558447744855).

The spelling of 124123423434 in words is "one hundred twenty-four billion, one hundred twenty-three million, four hundred twenty-three thousand, four hundred thirty-four".