1233421343 has 8 divisors (see below), whose sum is σ = 1537772160. Its totient is φ = 961107480.

The previous prime is 1233421283. The next prime is 1233421369. The reversal of 1233421343 is 3431243321.

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 1233421343 - 2¹² = 1233417247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233421843) 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, 8009153 + ... + 8009306.

It is an arithmetic number, because the mean of its divisors is an integer number (192221520).

Almost surely, 2^1233421343 is an apocalyptic number.

1233421343 is a deficient number, since it is larger than the sum of its proper divisors (304350817).

1233421343 is a wasteful number, since it uses less digits than its factorization.

1233421343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16018477.

The product of its digits is 5184, while the sum is 26.

The square root of 1233421343 is about 35120.0988466718. The cubic root of 1233421343 is about 1072.4337830933.

Adding to 1233421343 its reverse (3431243321), we get a palindrome (4664664664).

The spelling of 1233421343 in words is "one billion, two hundred thirty-three million, four hundred twenty-one thousand, three hundred forty-three".