2054353433623 has 4 divisors (see below), whose sum is σ = 2058041680920. Its totient is φ = 2050665186328.

The previous prime is 2054353433593. The next prime is 2054353433633. The reversal of 2054353433623 is 3263343534502.

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-2054353433623 is a prime.

It is a super-2 number, since 2×2054353433623² (a number of 25 digits) contains 22 as substring.

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 2054353433623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054353433633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844122813 + ... + 1844123926.

It is an arithmetic number, because the mean of its divisors is an integer number (514510420230).

Almost surely, 2^{2054353433623} is an apocalyptic number.

2054353433623 is a deficient number, since it is larger than the sum of its proper divisors (3688247297).

2054353433623 is an equidigital number, since it uses as much as digits as its factorization.

2054353433623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688247296.

The product of its (nonzero) digits is 2332800, while the sum is 43.

The spelling of 2054353433623 in words is "two trillion, fifty-four billion, three hundred fifty-three million, four hundred thirty-three thousand, six hundred twenty-three".