1380023 has 8 divisors (see below), whose sum is σ = 1490400. Its totient is φ = 1273888.

The previous prime is 1380013. The next prime is 1380031. The reversal of 1380023 is 3200831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1380023 - 2⁴ = 1380007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1379983 and 1380010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (186300).

2^1380023 is an apocalyptic number.

1380023 is a deficient number, since it is larger than the sum of its proper divisors (110377).

1380023 is a wasteful number, since it uses less digits than its factorization.

1380023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1380023 is about 1174.7438018564. The cubic root of 1380023 is about 111.3342466688.

Adding to 1380023 its reverse (3200831), we get a palindrome (4580854).

The spelling of 1380023 in words is "one million, three hundred eighty thousand, twenty-three".