1000423233 has 6 divisors (see below), whose sum is σ = 1445055794. Its totient is φ = 666948816.

The previous prime is 1000423231. The next prime is 1000423261. The reversal of 1000423233 is 3323240001.

1000423233 is a `hidden beast` number, since 10 + 0 + 0 + 423 + 233 = 666.

It can be written as a sum of positive squares in only one way, i.e., 999634689 + 788544 = 31617^2 + 888^2 .

It is not a de Polignac number, because 1000423233 - 2¹ = 1000423231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000423231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55579060 + ... + 55579077.

Almost surely, 2^1000423233 is an apocalyptic number.

It is an amenable number.

1000423233 is a deficient number, since it is larger than the sum of its proper divisors (444632561).

1000423233 is a wasteful number, since it uses less digits than its factorization.

1000423233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111158143 (or 111158140 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1000423233 is about 31629.4677950800. The cubic root of 1000423233 is about 1000.1410577684.

Adding to 1000423233 its reverse (3323240001), we get a palindrome (4323663234).

The spelling of 1000423233 in words is "one billion, four hundred twenty-three thousand, two hundred thirty-three".