240021432323 has 2 divisors, whose sum is σ = 240021432324. Its totient is φ = 240021432322.

The previous prime is 240021432293. The next prime is 240021432337. The reversal of 240021432323 is 323234120042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240021432323 - 2²⁰ = 240020383747 is a prime.

It is a super-2 number, since 2×240021432323² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240021432292 and 240021432301.

It is not a weakly prime, because it can be changed into another prime (240021432383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120010716161 + 120010716162.

It is an arithmetic number, because the mean of its divisors is an integer number (120010716162).

Almost surely, 2^240021432323 is an apocalyptic number.

240021432323 is a deficient number, since it is larger than the sum of its proper divisors (1).

240021432323 is an equidigital number, since it uses as much as digits as its factorization.

240021432323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 240021432323 its reverse (323234120042), we get a palindrome (563255552365).

The spelling of 240021432323 in words is "two hundred forty billion, twenty-one million, four hundred thirty-two thousand, three hundred twenty-three".