240323121 has 6 divisors (see below), whose sum is σ = 347133410. Its totient is φ = 160215408.

The previous prime is 240323117. The next prime is 240323131. The reversal of 240323121 is 121323042.

It can be written as a sum of positive squares in only one way, i.e., 235192896 + 5130225 = 15336^2 + 2265^2 .

It is not a de Polignac number, because 240323121 - 2² = 240323117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240323094 and 240323103.

It is not an unprimeable number, because it can be changed into a prime (240323131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13351276 + ... + 13351293.

Almost surely, 2^240323121 is an apocalyptic number.

It is an amenable number.

240323121 is a deficient number, since it is larger than the sum of its proper divisors (106810289).

240323121 is a wasteful number, since it uses less digits than its factorization.

240323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26702575 (or 26702572 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 240323121 is about 15502.3585624898. The cubic root of 240323121 is about 621.7252683662.

Adding to 240323121 its reverse (121323042), we get a palindrome (361646163).

The spelling of 240323121 in words is "two hundred forty million, three hundred twenty-three thousand, one hundred twenty-one".