1240554214323 has 36 divisors (see below), whose sum is σ = 1842124655280. Its totient is φ = 804476702016.

The previous prime is 1240554214297. The next prime is 1240554214351. The reversal of 1240554214323 is 3234124550421.

It is a happy number.

1240554214323 is a `hidden beast` number, since 1 + 2 + 40 + 554 + 2 + 1 + 43 + 23 = 666.

It is not a de Polignac number, because 1240554214323 - 2²¹ = 1240552117171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240554214363) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58625061 + ... + 58646217.

Almost surely, 2^{1240554214323} is an apocalyptic number.

1240554214323 is a deficient number, since it is larger than the sum of its proper divisors (601570440957).

1240554214323 is a wasteful number, since it uses less digits than its factorization.

1240554214323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25996 (or 25956 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1240554214323 its reverse (3234124550421), we get a palindrome (4474678764744).

The spelling of 1240554214323 in words is "one trillion, two hundred forty billion, five hundred fifty-four million, two hundred fourteen thousand, three hundred twenty-three".