1240023440311 has 8 divisors (see below), whose sum is σ = 1246818104064. Its totient is φ = 1233231926880.

The previous prime is 1240023440297. The next prime is 1240023440351. The reversal of 1240023440311 is 1130443200421.

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 1240023440311 - 2¹³ = 1240023432119 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 (1240023440351) 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, 3985 + ... + 1574821.

It is an arithmetic number, because the mean of its divisors is an integer number (155852263008).

Almost surely, 2^{1240023440311} is an apocalyptic number.

1240023440311 is a deficient number, since it is larger than the sum of its proper divisors (6794663753).

1240023440311 is a wasteful number, since it uses less digits than its factorization.

1240023440311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575161.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1240023440311 its reverse (1130443200421), we get a palindrome (2370466640732).

The spelling of 1240023440311 in words is "one trillion, two hundred forty billion, twenty-three million, four hundred forty thousand, three hundred eleven".