1923155383 has 2 divisors, whose sum is σ = 1923155384. Its totient is φ = 1923155382.

The previous prime is 1923155363. The next prime is 1923155417. The reversal of 1923155383 is 3835513291.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1923155383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1923155363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961577691 + 961577692.

It is an arithmetic number, because the mean of its divisors is an integer number (961577692).

Almost surely, 2^1923155383 is an apocalyptic number.

1923155383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1923155383 is an equidigital number, since it uses as much as digits as its factorization.

1923155383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 1923155383 is about 43853.7955369886. The cubic root of 1923155383 is about 1243.5734983900.

The spelling of 1923155383 in words is "one billion, nine hundred twenty-three million, one hundred fifty-five thousand, three hundred eighty-three".