1538023 has 2 divisors, whose sum is σ = 1538024. Its totient is φ = 1538022.

The previous prime is 1538011. The next prime is 1538027. The reversal of 1538023 is 3208351.

It is a strong prime.

It is an emirp because it is prime and its reverse (3208351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1538023 - 2¹³ = 1529831 is a prime.

1538023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1537985 and 1538003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1538027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769011 + 769012.

It is an arithmetic number, because the mean of its divisors is an integer number (769012).

2^1538023 is an apocalyptic number.

1538023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538023 is an equidigital number, since it uses as much as digits as its factorization.

1538023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1538023 is about 1240.1705527870. The cubic root of 1538023 is about 115.4305974111.

The spelling of 1538023 in words is "one million, five hundred thirty-eight thousand, twenty-three".