18463123402 has 16 divisors (see below), whose sum is σ = 28386356832. Its totient is φ = 9003733200.

The previous prime is 18463123387. The next prime is 18463123429. The reversal of 18463123402 is 20432136481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668568 + ... + 695635.

It is an arithmetic number, because the mean of its divisors is an integer number (1774147302).

Almost surely, 2^18463123402 is an apocalyptic number.

18463123402 is a deficient number, since it is larger than the sum of its proper divisors (9923233430).

18463123402 is a wasteful number, since it uses less digits than its factorization.

18463123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364373.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 18463123402 its reverse (20432136481), we get a palindrome (38895259883).

The spelling of 18463123402 in words is "eighteen billion, four hundred sixty-three million, one hundred twenty-three thousand, four hundred two".