1233645383 has 2 divisors, whose sum is σ = 1233645384. Its totient is φ = 1233645382.

The previous prime is 1233645353. The next prime is 1233645461. The reversal of 1233645383 is 3835463321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1233645383 - 2¹⁰ = 1233644359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233645313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616822691 + 616822692.

It is an arithmetic number, because the mean of its divisors is an integer number (616822692).

Almost surely, 2^1233645383 is an apocalyptic number.

1233645383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233645383 is an equidigital number, since it uses as much as digits as its factorization.

1233645383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 1233645383 is about 35123.2883284011. The cubic root of 1233645383 is about 1072.4987118435.

The spelling of 1233645383 in words is "one billion, two hundred thirty-three million, six hundred forty-five thousand, three hundred eighty-three".