1240324423 has 8 divisors (see below), whose sum is σ = 1336592768. Its totient is φ = 1144178784.

The previous prime is 1240324409. The next prime is 1240324507. The reversal of 1240324423 is 3244230421.

It is a happy number.

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 1240324423 - 2²¹ = 1238227271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240324523) 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, 9111 + ... + 50632.

It is an arithmetic number, because the mean of its divisors is an integer number (167074096).

Almost surely, 2^1240324423 is an apocalyptic number.

1240324423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1240324423 is a deficient number, since it is larger than the sum of its proper divisors (96268345).

1240324423 is a wasteful number, since it uses less digits than its factorization.

1240324423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61353.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1240324423 is about 35218.2399191101. The cubic root of 1240324423 is about 1074.4307562749.

Adding to 1240324423 its reverse (3244230421), we get a palindrome (4484554844).

The spelling of 1240324423 in words is "one billion, two hundred forty million, three hundred twenty-four thousand, four hundred twenty-three".