1144004012347 has 32 divisors (see below), whose sum is σ = 1378932572160. Its totient is φ = 928342736640.

The previous prime is 1144004012311. The next prime is 1144004012383. The reversal of 1144004012347 is 7432104004411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1144004012311) and next prime (1144004012383).

It is a de Polignac number, because none of the positive numbers 2^k-1144004012347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144004012147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24219429 + ... + 24266617.

It is an arithmetic number, because the mean of its divisors is an integer number (43091642880).

Almost surely, 2^{1144004012347} is an apocalyptic number.

1144004012347 is a deficient number, since it is larger than the sum of its proper divisors (234928559813).

1144004012347 is a wasteful number, since it uses less digits than its factorization.

1144004012347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49651.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 1144004012347 its reverse (7432104004411), we get a palindrome (8576108016758).

The spelling of 1144004012347 in words is "one trillion, one hundred forty-four billion, four million, twelve thousand, three hundred forty-seven".