1230433402 has 32 divisors (see below), whose sum is σ = 2091070080. Its totient is φ = 537875520.

The previous prime is 1230433397. The next prime is 1230433403. The reversal of 1230433402 is 2043340321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1230433403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164128 + ... + 171460.

It is an arithmetic number, because the mean of its divisors is an integer number (65345940).

Almost surely, 2^1230433402 is an apocalyptic number.

1230433402 is a deficient number, since it is larger than the sum of its proper divisors (860636678).

1230433402 is a wasteful number, since it uses less digits than its factorization.

1230433402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1230433402 is about 35077.5341493669. The cubic root of 1230433402 is about 1071.5670990292.

Adding to 1230433402 its reverse (2043340321), we get a palindrome (3273773723).

The spelling of 1230433402 in words is "one billion, two hundred thirty million, four hundred thirty-three thousand, four hundred two".