123233044402 has 16 divisors (see below), whose sum is σ = 199074700440. Its totient is φ = 56875093632.

The previous prime is 123233044399. The next prime is 123233044409. The reversal of 123233044402 is 204440332321.

It can be written as a sum of positive squares in 4 ways, for example, as 76818219921 + 46414824481 = 277161^2 + 215441^2 .

It is not an unprimeable number, because it can be changed into a prime (123233044409) 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 7 ways as a sum of consecutive naturals, for example, 1379224 + ... + 1465852.

Almost surely, 2^123233044402 is an apocalyptic number.

123233044402 is a deficient number, since it is larger than the sum of its proper divisors (75841656038).

123233044402 is a wasteful number, since it uses less digits than its factorization.

123233044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141357.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 123233044402 its reverse (204440332321), we get a palindrome (327673376723).

The spelling of 123233044402 in words is "one hundred twenty-three billion, two hundred thirty-three million, forty-four thousand, four hundred two".