1138590023 has 2 divisors, whose sum is σ = 1138590024. Its totient is φ = 1138590022.

The previous prime is 1138590017. The next prime is 1138590031. The reversal of 1138590023 is 3200958311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1138590023 - 2⁴ = 1138590007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138590923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569295011 + 569295012.

It is an arithmetic number, because the mean of its divisors is an integer number (569295012).

Almost surely, 2^1138590023 is an apocalyptic number.

1138590023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138590023 is an equidigital number, since it uses as much as digits as its factorization.

1138590023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1138590023 is about 33742.9996147349. Note that the first 3 decimals coincide. The cubic root of 1138590023 is about 1044.2130696364.

The spelling of 1138590023 in words is "one billion, one hundred thirty-eight million, five hundred ninety thousand, twenty-three".