342213023 has 4 divisors (see below), whose sum is σ = 342952608. Its totient is φ = 341473440.

The previous prime is 342213013. The next prime is 342213029. The reversal of 342213023 is 320312243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320312243 = 31 ⋅10332653.

It is a cyclic number.

It is not a de Polignac number, because 342213023 - 2⁴ = 342213007 is a prime.

It is a super-2 number, since 2×342213023² = 234219506221597058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342212986 and 342213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342213029) 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, 369098 + ... + 370023.

It is an arithmetic number, because the mean of its divisors is an integer number (85738152).

Almost surely, 2^342213023 is an apocalyptic number.

342213023 is a deficient number, since it is larger than the sum of its proper divisors (739585).

342213023 is an equidigital number, since it uses as much as digits as its factorization.

342213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739584.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 342213023 is about 18499.0005946267. Note that the first 3 decimals coincide. The cubic root of 342213023 is about 699.4642315329.

Adding to 342213023 its reverse (320312243), we get a palindrome (662525266).

The spelling of 342213023 in words is "three hundred forty-two million, two hundred thirteen thousand, twenty-three".