423123113402 has 48 divisors (see below), whose sum is σ = 747565679520. Its totient is φ = 178047609600.

The previous prime is 423123113293. The next prime is 423123113437. The reversal of 423123113402 is 204311321324.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 157652 + ... + 933327.

It is an arithmetic number, because the mean of its divisors is an integer number (15574284990).

Almost surely, 2^423123113402 is an apocalyptic number.

423123113402 is a deficient number, since it is larger than the sum of its proper divisors (324442566118).

423123113402 is a wasteful number, since it uses less digits than its factorization.

423123113402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091087 (or 1091070 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 423123113402 its reverse (204311321324), we get a palindrome (627434434726).

The spelling of 423123113402 in words is "four hundred twenty-three billion, one hundred twenty-three million, one hundred thirteen thousand, four hundred two".