1601023 has 2 divisors, whose sum is σ = 1601024. Its totient is φ = 1601022.

The previous prime is 1600993. The next prime is 1601051. The reversal of 1601023 is 3201061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1601023 - 2¹³ = 1592831 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1600994 and 1601012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800511 + 800512.

It is an arithmetic number, because the mean of its divisors is an integer number (800512).

2^1601023 is an apocalyptic number.

1601023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601023 is an equidigital number, since it uses as much as digits as its factorization.

1601023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1601023 is about 1265.3153757068. The cubic root of 1601023 is about 116.9856314690.

Adding to 1601023 its reverse (3201061), we get a palindrome (4802084).

The spelling of 1601023 in words is "one million, six hundred one thousand, twenty-three".