1308923 has 16 divisors (see below), whose sum is σ = 1658880. Its totient is φ = 1003200.

The previous prime is 1308919. The next prime is 1308943. The reversal of 1308923 is 3298031.

It is not a de Polignac number, because 1308923 - 2² = 1308919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1308892 and 1308901.

It is not an unprimeable number, because it can be changed into a prime (1308943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6758 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^1308923 is an apocalyptic number.

1308923 is a deficient number, since it is larger than the sum of its proper divisors (349957).

1308923 is a wasteful number, since it uses less digits than its factorization.

1308923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1308923 is about 1144.0817278499. The cubic root of 1308923 is about 109.3884242571.

The spelling of 1308923 in words is "one million, three hundred eight thousand, nine hundred twenty-three".