13123010434 has 4 divisors (see below), whose sum is σ = 19684515654. Its totient is φ = 6561505216.

The previous prime is 13123010431. The next prime is 13123010437. The reversal of 13123010434 is 43401032131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13123010431) and next prime (13123010437).

It can be written as a sum of positive squares in only one way, i.e., 13122848025 + 162409 = 114555^2 + 403^2 .

It is not an unprimeable number, because it can be changed into a prime (13123010431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280752607 + ... + 3280752610.

Almost surely, 2^13123010434 is an apocalyptic number.

13123010434 is a deficient number, since it is larger than the sum of its proper divisors (6561505220).

13123010434 is an equidigital number, since it uses as much as digits as its factorization.

13123010434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561505219.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13123010434 its reverse (43401032131), we get a palindrome (56524042565).

The spelling of 13123010434 in words is "thirteen billion, one hundred twenty-three million, ten thousand, four hundred thirty-four".