240036423 has 16 divisors (see below), whose sum is σ = 350925696. Its totient is φ = 144734240.

The previous prime is 240036397. The next prime is 240036437. The reversal of 240036423 is 324630042.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 240036423 - 2²² = 235842119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240036393 and 240036402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240036463) 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, 11961 + ... + 24962.

It is an arithmetic number, because the mean of its divisors is an integer number (21932856).

Almost surely, 2^240036423 is an apocalyptic number.

240036423 is a deficient number, since it is larger than the sum of its proper divisors (110889273).

240036423 is a wasteful number, since it uses less digits than its factorization.

240036423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37134.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 240036423 is about 15493.1088875022. The cubic root of 240036423 is about 621.4779370254.

Adding to 240036423 its reverse (324630042), we get a palindrome (564666465).

The spelling of 240036423 in words is "two hundred forty million, thirty-six thousand, four hundred twenty-three".