1023923 has 4 divisors (see below), whose sum is σ = 1033968. Its totient is φ = 1013880.

The previous prime is 1023871. The next prime is 1023941. The reversal of 1023923 is 3293201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3293201 = 1783 ⋅1847.

It is a cyclic number.

It is not a de Polignac number, because 1023923 - 2¹⁰ = 1022899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023895 and 1023904.

It is not an unprimeable number, because it can be changed into a prime (1023943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4868 + ... + 5073.

It is an arithmetic number, because the mean of its divisors is an integer number (258492).

2^1023923 is an apocalyptic number.

1023923 is a deficient number, since it is larger than the sum of its proper divisors (10045).

1023923 is an equidigital number, since it uses as much as digits as its factorization.

1023923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1023923 is about 1011.8908043855. The cubic root of 1023923 is about 100.7911575241.

The spelling of 1023923 in words is "one million, twenty-three thousand, nine hundred twenty-three".