13123453502434 has 16 divisors (see below), whose sum is σ = 21475047573216. Its totient is φ = 5965121282400.

The previous prime is 13123453502417. The next prime is 13123453502443. The reversal of 13123453502434 is 43420535432131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647707 + ... + 5766910.

It is an arithmetic number, because the mean of its divisors is an integer number (1342190473326).

Almost surely, 2^{13123453502434} is an apocalyptic number.

13123453502434 is a deficient number, since it is larger than the sum of its proper divisors (8351594070782).

13123453502434 is a wasteful number, since it uses less digits than its factorization.

13123453502434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485521.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 13123453502434 its reverse (43420535432131), we get a palindrome (56543988934565).

The spelling of 13123453502434 in words is "thirteen trillion, one hundred twenty-three billion, four hundred fifty-three million, five hundred two thousand, four hundred thirty-four".