1138379023 has 2 divisors, whose sum is σ = 1138379024. Its totient is φ = 1138379022.

The previous prime is 1138378999. The next prime is 1138379029. The reversal of 1138379023 is 3209738311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1138379023 - 2⁵ = 1138378991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138379029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569189511 + 569189512.

It is an arithmetic number, because the mean of its divisors is an integer number (569189512).

Almost surely, 2^1138379023 is an apocalyptic number.

1138379023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138379023 is an equidigital number, since it uses as much as digits as its factorization.

1138379023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1138379023 is about 33739.8728954334. The cubic root of 1138379023 is about 1044.1485622004.

The spelling of 1138379023 in words is "one billion, one hundred thirty-eight million, three hundred seventy-nine thousand, twenty-three".