1523983 has 2 divisors, whose sum is σ = 1523984. Its totient is φ = 1523982.

The previous prime is 1523981. The next prime is 1523987. The reversal of 1523983 is 3893251.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1523983 - 2¹ = 1523981 is a prime.

Together with 1523981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1523981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761991 + 761992.

It is an arithmetic number, because the mean of its divisors is an integer number (761992).

2^1523983 is an apocalyptic number.

1523983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523983 is an equidigital number, since it uses as much as digits as its factorization.

1523983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 1523983 is about 1234.4970635850. The cubic root of 1523983 is about 115.0782831827.

The spelling of 1523983 in words is "one million, five hundred twenty-three thousand, nine hundred eighty-three".