1230554233 has 4 divisors (see below), whose sum is σ = 1231519140. Its totient is φ = 1229589328.

The previous prime is 1230554191. The next prime is 1230554261. The reversal of 1230554233 is 3324550321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1001849104 + 228705129 = 31652^2 + 15123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230554233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230554833) 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, 480538 + ... + 483091.

It is an arithmetic number, because the mean of its divisors is an integer number (307879785).

Almost surely, 2^1230554233 is an apocalyptic number.

It is an amenable number.

1230554233 is a deficient number, since it is larger than the sum of its proper divisors (964907).

1230554233 is an equidigital number, since it uses as much as digits as its factorization.

1230554233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964906.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1230554233 is about 35079.2564487904. The cubic root of 1230554233 is about 1071.6021745524.

The spelling of 1230554233 in words is "one billion, two hundred thirty million, five hundred fifty-four thousand, two hundred thirty-three".