1380938023 has 2 divisors, whose sum is σ = 1380938024. Its totient is φ = 1380938022.

The previous prime is 1380937969. The next prime is 1380938029. The reversal of 1380938023 is 3208390831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1380938023 - 2²¹ = 1378840871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380938029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690469011 + 690469012.

It is an arithmetic number, because the mean of its divisors is an integer number (690469012).

Almost surely, 2^1380938023 is an apocalyptic number.

1380938023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380938023 is an equidigital number, since it uses as much as digits as its factorization.

1380938023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1380938023 is about 37160.9744624653. The cubic root of 1380938023 is about 1113.5884792280.

The spelling of 1380938023 in words is "one billion, three hundred eighty million, nine hundred thirty-eight thousand, twenty-three".