1553002344123 has 8 divisors (see below), whose sum is σ = 2071511880000. Its totient is φ = 1034913852168.

The previous prime is 1553002344107. The next prime is 1553002344137. The reversal of 1553002344123 is 3214432003551.

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

It is not a de Polignac number, because 1553002344123 - 2⁴ = 1553002344107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1553002344193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105252373 + ... + 105267126.

It is an arithmetic number, because the mean of its divisors is an integer number (258938985000).

Almost surely, 2^{1553002344123} is an apocalyptic number.

1553002344123 is a deficient number, since it is larger than the sum of its proper divisors (518509535877).

1553002344123 is a wasteful number, since it uses less digits than its factorization.

1553002344123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210521961.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 1553002344123 its reverse (3214432003551), we get a palindrome (4767434347674).

The spelling of 1553002344123 in words is "one trillion, five hundred fifty-three billion, two million, three hundred forty-four thousand, one hundred twenty-three".