1653441415423 has 4 divisors (see below), whose sum is σ = 1889647331920. Its totient is φ = 1417235498928.

The previous prime is 1653441415387. The next prime is 1653441415453. The reversal of 1653441415423 is 3245141443561.

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 1653441415423 - 2³⁷ = 1516002461951 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 1653441415423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653441415453) 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, 118102958238 + ... + 118102958251.

It is an arithmetic number, because the mean of its divisors is an integer number (472411832980).

Almost surely, 2^{1653441415423} is an apocalyptic number.

1653441415423 is a deficient number, since it is larger than the sum of its proper divisors (236205916497).

1653441415423 is an equidigital number, since it uses as much as digits as its factorization.

1653441415423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236205916496.

The product of its digits is 691200, while the sum is 43.

Adding to 1653441415423 its reverse (3245141443561), we get a palindrome (4898582858984).

The spelling of 1653441415423 in words is "one trillion, six hundred fifty-three billion, four hundred forty-one million, four hundred fifteen thousand, four hundred twenty-three".