2023434 has 64 divisors (see below), whose sum is σ = 5287680. Its totient is φ = 561600.

The previous prime is 2023433. The next prime is 2023447. The reversal of 2023434 is 4343202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2023433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19984 + ... + 20084.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

2^2023434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643840).

2023434 is an abundant number, since it is smaller than the sum of its proper divisors (3264246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023434 is a wasteful number, since it uses less digits than its factorization.

2023434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2023434 is about 1422.4746043427. The cubic root of 2023434 is about 126.4822786551.

Adding to 2023434 its reverse (4343202), we get a palindrome (6366636).

The spelling of 2023434 in words is "two million, twenty-three thousand, four hundred thirty-four".