1202103023123 has 8 divisors (see below), whose sum is σ = 1211894727456. Its totient is φ = 1192335408000.

The previous prime is 1202103023119. The next prime is 1202103023131. The reversal of 1202103023123 is 3213203012021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202103023123 - 2² = 1202103023119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202103023095 and 1202103023104.

It is not an unprimeable number, because it can be changed into a prime (1202103023183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5922086 + ... + 6121707.

It is an arithmetic number, because the mean of its divisors is an integer number (151486840932).

Almost surely, 2^{1202103023123} is an apocalyptic number.

1202103023123 is a deficient number, since it is larger than the sum of its proper divisors (9791704333).

1202103023123 is a wasteful number, since it uses less digits than its factorization.

1202103023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12044605.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1202103023123 its reverse (3213203012021), we get a palindrome (4415306035144).

The spelling of 1202103023123 in words is "one trillion, two hundred two billion, one hundred three million, twenty-three thousand, one hundred twenty-three".