1142204123223 has 6 divisors (see below), whose sum is σ = 1649850400224. Its totient is φ = 761469415476.

The previous prime is 1142204123201. The next prime is 1142204123231. The reversal of 1142204123223 is 3223214022411.

1142204123223 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 20 + 412 + 3 + 223 = 666.

It is not a de Polignac number, because 1142204123223 - 2¹⁸ = 1142203861079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142204123243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63455784615 + ... + 63455784632.

It is an arithmetic number, because the mean of its divisors is an integer number (274975066704).

Almost surely, 2^{1142204123223} is an apocalyptic number.

1142204123223 is a deficient number, since it is larger than the sum of its proper divisors (507646277001).

1142204123223 is a wasteful number, since it uses less digits than its factorization.

1142204123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126911569253 (or 126911569250 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1142204123223 its reverse (3223214022411), we get a palindrome (4365418145634).

The spelling of 1142204123223 in words is "one trillion, one hundred forty-two billion, two hundred four million, one hundred twenty-three thousand, two hundred twenty-three".