1142402242023 has 40 divisors (see below), whose sum is σ = 1952259534720. Its totient is φ = 652160322000.

The previous prime is 1142402241947. The next prime is 1142402242039. The reversal of 1142402242023 is 3202422042411.

It is a happy number.

1142402242023 is a `hidden beast` number, since 1 + 14 + 2 + 402 + 242 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 1142402242023 - 2⁸ = 1142402241767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142402242073) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 410853 + ... + 1566398.

It is an arithmetic number, because the mean of its divisors is an integer number (48806488368).

Almost surely, 2^{1142402242023} is an apocalyptic number.

1142402242023 is a deficient number, since it is larger than the sum of its proper divisors (809857292697).

1142402242023 is a wasteful number, since it uses less digits than its factorization.

1142402242023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978289 (or 1978280 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1142402242023 its reverse (3202422042411), we get a palindrome (4344824284434).

The spelling of 1142402242023 in words is "one trillion, one hundred forty-two billion, four hundred two million, two hundred forty-two thousand, twenty-three".