1538053823 has 2 divisors, whose sum is σ = 1538053824. Its totient is φ = 1538053822.

The previous prime is 1538053807. The next prime is 1538053843. The reversal of 1538053823 is 3283508351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1538053823 - 2⁴ = 1538053807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1538053843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769026911 + 769026912.

It is an arithmetic number, because the mean of its divisors is an integer number (769026912).

Almost surely, 2^1538053823 is an apocalyptic number.

1538053823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538053823 is an equidigital number, since it uses as much as digits as its factorization.

1538053823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1538053823 is about 39218.0293105097. The cubic root of 1538053823 is about 1154.3136850785.

The spelling of 1538053823 in words is "one billion, five hundred thirty-eight million, fifty-three thousand, eight hundred twenty-three".