342123011 has 16 divisors (see below), whose sum is σ = 371309184. Its totient is φ = 313995264.

The previous prime is 342122951. The next prime is 342123017. The reversal of 342123011 is 110321243.

It is a cyclic number.

It is not a de Polignac number, because 342123011 - 2¹⁴ = 342106627 is a prime.

It is a super-2 number, since 2×342123011² = 234096309311412242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342123017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281441 + ... + 282653.

It is an arithmetic number, because the mean of its divisors is an integer number (23206824).

Almost surely, 2^342123011 is an apocalyptic number.

342123011 is a deficient number, since it is larger than the sum of its proper divisors (29186173).

342123011 is a wasteful number, since it uses less digits than its factorization.

342123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 342123011 is about 18496.5675464395. The cubic root of 342123011 is about 699.4028996615.

Adding to 342123011 its reverse (110321243), we get a palindrome (452444254).

The spelling of 342123011 in words is "three hundred forty-two million, one hundred twenty-three thousand, eleven".