34023421 has 4 divisors (see below), whose sum is σ = 34581244. Its totient is φ = 33465600.

The previous prime is 34023397. The next prime is 34023439. The reversal of 34023421 is 12432043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12432043 = 13 ⋅956311.

It can be written as a sum of positive squares in 2 ways, for example, as 17131321 + 16892100 = 4139^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 34023421 - 2⁹ = 34022909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34023221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278820 + ... + 278941.

It is an arithmetic number, because the mean of its divisors is an integer number (8645311).

Almost surely, 2^34023421 is an apocalyptic number.

It is an amenable number.

34023421 is a deficient number, since it is larger than the sum of its proper divisors (557823).

34023421 is an equidigital number, since it uses as much as digits as its factorization.

34023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557822.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 34023421 is about 5832.9598832840. The cubic root of 34023421 is about 324.0355502576.

Adding to 34023421 its reverse (12432043), we get a palindrome (46455464).

The spelling of 34023421 in words is "thirty-four million, twenty-three thousand, four hundred twenty-one".