2029423 has 12 divisors (see below), whose sum is σ = 2294568. Its totient is φ = 1779440.

The previous prime is 2029411. The next prime is 2029439. The reversal of 2029423 is 3249202.

It is a de Polignac number, because none of the positive numbers 2^k-2029423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2029394 and 2029403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34368 + ... + 34426.

It is an arithmetic number, because the mean of its divisors is an integer number (191214).

2^2029423 is an apocalyptic number.

2029423 is a deficient number, since it is larger than the sum of its proper divisors (265145).

2029423 is an equidigital number, since it uses as much as digits as its factorization.

2029423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2029423 is about 1424.5781831827. The cubic root of 2029423 is about 126.6069439908.

The spelling of 2029423 in words is "two million, twenty-nine thousand, four hundred twenty-three".