1233430023 has 16 divisors (see below), whose sum is σ = 1885527296. Its totient is φ = 702561600.

The previous prime is 1233430021. The next prime is 1233430031. The reversal of 1233430023 is 3200343321.

It is not a de Polignac number, because 1233430023 - 2¹ = 1233430021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233430021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87253 + ... + 100398.

It is an arithmetic number, because the mean of its divisors is an integer number (117845456).

Almost surely, 2^1233430023 is an apocalyptic number.

1233430023 is a deficient number, since it is larger than the sum of its proper divisors (652097273).

1233430023 is a wasteful number, since it uses less digits than its factorization.

1233430023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187974.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1233430023 is about 35120.2224224164. Note that the first 3 decimals coincide. The cubic root of 1233430023 is about 1072.4362987796.

Adding to 1233430023 its reverse (3200343321), we get a palindrome (4433773344).

The spelling of 1233430023 in words is "one billion, two hundred thirty-three million, four hundred thirty thousand, twenty-three".