1553340042023 has 8 divisors (see below), whose sum is σ = 1936631740800. Its totient is φ = 1210394837880.

The previous prime is 1553340042019. The next prime is 1553340042071. The reversal of 1553340042023 is 3202400433551.

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 1553340042023 - 2² = 1553340042019 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 (1553340042073) 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, 10086623573 + ... + 10086623726.

It is an arithmetic number, because the mean of its divisors is an integer number (242078967600).

Almost surely, 2^{1553340042023} is an apocalyptic number.

1553340042023 is a deficient number, since it is larger than the sum of its proper divisors (383291698777).

1553340042023 is a wasteful number, since it uses less digits than its factorization.

1553340042023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20173247317.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 1553340042023 its reverse (3202400433551), we get a palindrome (4755740475574).

The spelling of 1553340042023 in words is "one trillion, five hundred fifty-three billion, three hundred forty million, forty-two thousand, twenty-three".