1552553134423 has 4 divisors (see below), whose sum is σ = 1552724525880. Its totient is φ = 1552381742968.

The previous prime is 1552553134409. The next prime is 1552553134441. The reversal of 1552553134423 is 3244313552551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552553134423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1552553134423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552553134523) 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, 85682140 + ... + 85700257.

It is an arithmetic number, because the mean of its divisors is an integer number (388181131470).

Almost surely, 2^{1552553134423} is an apocalyptic number.

1552553134423 is a deficient number, since it is larger than the sum of its proper divisors (171391457).

1552553134423 is an equidigital number, since it uses as much as digits as its factorization.

1552553134423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171391456.

The product of its digits is 1080000, while the sum is 43.

Adding to 1552553134423 its reverse (3244313552551), we get a palindrome (4796866686974).

The spelling of 1552553134423 in words is "one trillion, five hundred fifty-two billion, five hundred fifty-three million, one hundred thirty-four thousand, four hundred twenty-three".