1023973 has 2 divisors, whose sum is σ = 1023974. Its totient is φ = 1023972.

The previous prime is 1023949. The next prime is 1023977. The reversal of 1023973 is 3793201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 173889 = 922^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023973 - 2⁵ = 1023941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511986 + 511987.

It is an arithmetic number, because the mean of its divisors is an integer number (511987).

2^1023973 is an apocalyptic number.

It is an amenable number.

1023973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023973 is an equidigital number, since it uses as much as digits as its factorization.

1023973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1023973 is about 1011.9155103071. The cubic root of 1023973 is about 100.7927981018.

It can be divided in two parts, 102397 and 3, that added together give a square (102400 = 320²).

The spelling of 1023973 in words is "one million, twenty-three thousand, nine hundred seventy-three".