1202134134023 has 4 divisors (see below), whose sum is σ = 1202243559240. Its totient is φ = 1202024708808.

The previous prime is 1202134133983. The next prime is 1202134134041. The reversal of 1202134134023 is 3204314312021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202134134023 - 2¹⁸ = 1202133871879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202134133983 and 1202134134001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202134134073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54696128 + ... + 54718101.

It is an arithmetic number, because the mean of its divisors is an integer number (300560889810).

Almost surely, 2^{1202134134023} is an apocalyptic number.

1202134134023 is a deficient number, since it is larger than the sum of its proper divisors (109425217).

1202134134023 is a wasteful number, since it uses less digits than its factorization.

1202134134023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109425216.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1202134134023 its reverse (3204314312021), we get a palindrome (4406448446044).

The spelling of 1202134134023 in words is "one trillion, two hundred two billion, one hundred thirty-four million, one hundred thirty-four thousand, twenty-three".