1202123333423 has 4 divisors (see below), whose sum is σ = 1231443414768. Its totient is φ = 1172803252080.

The previous prime is 1202123333419. The next prime is 1202123333441. The reversal of 1202123333423 is 3243333212021.

It is a happy number.

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 1202123333423 - 2² = 1202123333419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202123333123) 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, 14660040611 + ... + 14660040692.

It is an arithmetic number, because the mean of its divisors is an integer number (307860853692).

Almost surely, 2^{1202123333423} is an apocalyptic number.

1202123333423 is a deficient number, since it is larger than the sum of its proper divisors (29320081345).

1202123333423 is an equidigital number, since it uses as much as digits as its factorization.

1202123333423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29320081344.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 1202123333423 its reverse (3243333212021), we get a palindrome (4445456545444).

The spelling of 1202123333423 in words is "one trillion, two hundred two billion, one hundred twenty-three million, three hundred thirty-three thousand, four hundred twenty-three".