1134231421243 has 8 divisors (see below), whose sum is σ = 1153573934400. Its totient is φ = 1114892849928.

The previous prime is 1134231421223. The next prime is 1134231421319. The reversal of 1134231421243 is 3421241324311.

It is a happy number.

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 1134231421243 - 2²¹ = 1134229324091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1134231421223) 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, 402153 + ... + 1558906.

It is an arithmetic number, because the mean of its divisors is an integer number (144196741800).

Almost surely, 2^{1134231421243} is an apocalyptic number.

1134231421243 is a deficient number, since it is larger than the sum of its proper divisors (19342513157).

1134231421243 is an equidigital number, since it uses as much as digits as its factorization.

1134231421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970921.

The product of its digits is 13824, while the sum is 31.

Adding to 1134231421243 its reverse (3421241324311), we get a palindrome (4555472745554).

The spelling of 1134231421243 in words is "one trillion, one hundred thirty-four billion, two hundred thirty-one million, four hundred twenty-one thousand, two hundred forty-three".