1135421743223 has 4 divisors (see below), whose sum is σ = 1195180782360. Its totient is φ = 1075662704088.

The previous prime is 1135421743199. The next prime is 1135421743271. The reversal of 1135421743223 is 3223471245311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1135421743223 - 2⁸ = 1135421742967 is a prime.

It is a super-2 number, since 2×1135421743223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135421743123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29879519540 + ... + 29879519577.

It is an arithmetic number, because the mean of its divisors is an integer number (298795195590).

Almost surely, 2^{1135421743223} is an apocalyptic number.

1135421743223 is a deficient number, since it is larger than the sum of its proper divisors (59759039137).

1135421743223 is an equidigital number, since it uses as much as digits as its factorization.

1135421743223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59759039136.

The product of its digits is 120960, while the sum is 38.

Adding to 1135421743223 its reverse (3223471245311), we get a palindrome (4358892988534).

The spelling of 1135421743223 in words is "one trillion, one hundred thirty-five billion, four hundred twenty-one million, seven hundred forty-three thousand, two hundred twenty-three".