1142340023443 has 8 divisors (see below), whose sum is σ = 1192085404416. Its totient is φ = 1092601177800.

The previous prime is 1142340023441. The next prime is 1142340023471. The reversal of 1142340023443 is 3443200432411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142340023443 - 2¹ = 1142340023441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142340023441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274953 + ... + 1977418.

It is an arithmetic number, because the mean of its divisors is an integer number (149010675552).

Almost surely, 2^{1142340023443} is an apocalyptic number.

1142340023443 is a deficient number, since it is larger than the sum of its proper divisors (49745380973).

1142340023443 is a wasteful number, since it uses less digits than its factorization.

1142340023443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267665.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1142340023443 its reverse (3443200432411), we get a palindrome (4585540455854).

The spelling of 1142340023443 in words is "one trillion, one hundred forty-two billion, three hundred forty million, twenty-three thousand, four hundred forty-three".