34423020 has 108 divisors (see below), whose sum is σ = 108435600. Its totient is φ = 8838720.

The previous prime is 34423013. The next prime is 34423027. The reversal of 34423020 is 2032443.

It is an interprime number because it is at equal distance from previous prime (34423013) and next prime (34423027).

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

It is a junction number, because it is equal to n+sod(n) for n = 34422984 and 34423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34423027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 172881 + ... + 173079.

Almost surely, 2^34423020 is an apocalyptic number.

34423020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34423020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54217800).

34423020 is an abundant number, since it is smaller than the sum of its proper divisors (74012580).

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

34423020 is a wasteful number, since it uses less digits than its factorization.

34423020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 240 counting only the distinct ones).

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

The square root of 34423020 is about 5867.1134299586. The cubic root of 34423020 is about 325.2991958753.

Adding to 34423020 its reverse (2032443), we get a palindrome (36455463).

The spelling of 34423020 in words is "thirty-four million, four hundred twenty-three thousand, twenty".