342423445 has 32 divisors (see below), whose sum is σ = 523192320. Its totient is φ = 209260800.

The previous prime is 342423443. The next prime is 342423449. The reversal of 342423445 is 544324243.

It is not a de Polignac number, because 342423445 - 2¹ = 342423443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342423443) 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, 220 + ... + 26170.

It is an arithmetic number, because the mean of its divisors is an integer number (16349760).

Almost surely, 2^342423445 is an apocalyptic number.

342423445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

342423445 is a deficient number, since it is larger than the sum of its proper divisors (180768875).

342423445 is a wasteful number, since it uses less digits than its factorization.

342423445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26005.

The product of its digits is 46080, while the sum is 31.

The square root of 342423445 is about 18504.6871089462. The cubic root of 342423445 is about 699.6075657488.

Adding to 342423445 its reverse (544324243), we get a palindrome (886747688).

The spelling of 342423445 in words is "three hundred forty-two million, four hundred twenty-three thousand, four hundred forty-five".