2159023 has 2 divisors, whose sum is σ = 2159024. Its totient is φ = 2159022.

The previous prime is 2158999. The next prime is 2159041. The reversal of 2159023 is 3209512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2159023 - 2¹³ = 2150831 is a prime.

It is a super-2 number, since 2×2159023² = 9322760629058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2158985 and 2159003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079511 + 1079512.

It is an arithmetic number, because the mean of its divisors is an integer number (1079512).

2^2159023 is an apocalyptic number.

2159023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159023 is an equidigital number, since it uses as much as digits as its factorization.

2159023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2159023 is about 1469.3614259262. The cubic root of 2159023 is about 129.2465888081.

The spelling of 2159023 in words is "two million, one hundred fifty-nine thousand, twenty-three".