34423420 has 48 divisors (see below), whose sum is σ = 74299680. Its totient is φ = 13392896.

The previous prime is 34423397. The next prime is 34423429. The reversal of 34423420 is 2432443.

It is a junction number, because it is equal to n+sod(n) for n = 34423391 and 34423400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34423429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147624 + ... + 147856.

It is an arithmetic number, because the mean of its divisors is an integer number (1547910).

Almost surely, 2^34423420 is an apocalyptic number.

It is an amenable number.

34423420 is an abundant number, since it is smaller than the sum of its proper divisors (39876260).

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

34423420 is a wasteful number, since it uses less digits than its factorization.

34423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 34423420 is about 5867.1475181727. The cubic root of 34423420 is about 325.3004558769.

Adding to 34423420 its reverse (2432443), we get a palindrome (36855863).

It can be divided in two parts, 34423 and 420, that added together give a palindrome (34843).

The spelling of 34423420 in words is "thirty-four million, four hundred twenty-three thousand, four hundred twenty".