1954557323 has 2 divisors, whose sum is σ = 1954557324. Its totient is φ = 1954557322.

The previous prime is 1954557277. The next prime is 1954557343. The reversal of 1954557323 is 3237554591.

It is a strong prime.

It is an emirp because it is prime and its reverse (3237554591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1954557323 - 2⁸ = 1954557067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1954557343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977278661 + 977278662.

It is an arithmetic number, because the mean of its divisors is an integer number (977278662).

Almost surely, 2^1954557323 is an apocalyptic number.

1954557323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954557323 is an equidigital number, since it uses as much as digits as its factorization.

1954557323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 44.

The square root of 1954557323 is about 44210.3757391859. The cubic root of 1954557323 is about 1250.3054875758.

The spelling of 1954557323 in words is "one billion, nine hundred fifty-four million, five hundred fifty-seven thousand, three hundred twenty-three".