1240414342123 has 16 divisors (see below), whose sum is σ = 1380607877376. Its totient is φ = 1104850787040.

The previous prime is 1240414342117. The next prime is 1240414342133. The reversal of 1240414342123 is 3212434140421.

It is a happy number.

It is not a de Polignac number, because 1240414342123 - 2³⁷ = 1102975388651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240414342133) 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, 1039461 + ... + 1887142.

It is an arithmetic number, because the mean of its divisors is an integer number (86287992336).

Almost surely, 2^{1240414342123} is an apocalyptic number.

1240414342123 is a deficient number, since it is larger than the sum of its proper divisors (140193535253).

1240414342123 is a wasteful number, since it uses less digits than its factorization.

1240414342123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927394.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1240414342123 its reverse (3212434140421), we get a palindrome (4452848482544).

The spelling of 1240414342123 in words is "one trillion, two hundred forty billion, four hundred fourteen million, three hundred forty-two thousand, one hundred twenty-three".