2103423404234 has 4 divisors (see below), whose sum is σ = 3155135106354. Its totient is φ = 1051711702116.

The previous prime is 2103423404231. The next prime is 2103423404237. The reversal of 2103423404234 is 4324043243012.

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 (2103423404231) and next prime (2103423404237).

It can be written as a sum of positive squares in only one way, i.e., 1630358691025 + 473064713209 = 1276855^2 + 687797^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103423404234.

It is not an unprimeable number, because it can be changed into a prime (2103423404231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525855851057 + ... + 525855851060.

Almost surely, 2^{2103423404234} is an apocalyptic number.

2103423404234 is a deficient number, since it is larger than the sum of its proper divisors (1051711702120).

2103423404234 is a wasteful number, since it uses less digits than its factorization.

2103423404234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051711702119.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 2103423404234 its reverse (4324043243012), we get a palindrome (6427466647246).

The spelling of 2103423404234 in words is "two trillion, one hundred three billion, four hundred twenty-three million, four hundred four thousand, two hundred thirty-four".