1031923 has 2 divisors, whose sum is σ = 1031924. Its totient is φ = 1031922.

The previous prime is 1031911. The next prime is 1031981. The reversal of 1031923 is 3291301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031923 - 2⁹ = 1031411 is a prime.

1031923 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031923.

It is not a weakly prime, because it can be changed into another prime (1031323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515961 + 515962.

It is an arithmetic number, because the mean of its divisors is an integer number (515962).

2^1031923 is an apocalyptic number.

1031923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031923 is an equidigital number, since it uses as much as digits as its factorization.

1031923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1031923 is about 1015.8361088286. The cubic root of 1031923 is about 101.0529735508.

The spelling of 1031923 in words is "one million, thirty-one thousand, nine hundred twenty-three".