2340342121 has 8 divisors (see below), whose sum is σ = 2520898184. Its totient is φ = 2159861760.

The previous prime is 2340342071. The next prime is 2340342133. The reversal of 2340342121 is 1212430432.

It can be written as a sum of positive squares in 4 ways, for example, as 1265625 + 2339076496 = 1125^2 + 48364^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2340342121 - 2¹³ = 2340333929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2340342092 and 2340342101.

It is not an unprimeable number, because it can be changed into a prime (2340342821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56425 + ... + 88681.

It is an arithmetic number, because the mean of its divisors is an integer number (315112273).

Almost surely, 2^2340342121 is an apocalyptic number.

It is an amenable number.

2340342121 is a deficient number, since it is larger than the sum of its proper divisors (180556063).

2340342121 is a wasteful number, since it uses less digits than its factorization.

2340342121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37851.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2340342121 is about 48377.0826011656. The cubic root of 2340342121 is about 1327.6790926421.

Adding to 2340342121 its reverse (1212430432), we get a palindrome (3552772553).

It can be divided in two parts, 2340342 and 121, that multiplied together give a palindrome (283181382).

The spelling of 2340342121 in words is "two billion, three hundred forty million, three hundred forty-two thousand, one hundred twenty-one".