402123450005 has 32 divisors (see below), whose sum is σ = 499090377600. Its totient is φ = 310863110400.

The previous prime is 402123449963. The next prime is 402123450023. The reversal of 402123450005 is 500054321204.

It is a happy number.

It is not a de Polignac number, because 402123450005 - 2⁶ = 402123449941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32186810 + ... + 32199300.

It is an arithmetic number, because the mean of its divisors is an integer number (15596574300).

Almost surely, 2^402123450005 is an apocalyptic number.

It is an amenable number.

402123450005 is a deficient number, since it is larger than the sum of its proper divisors (96966927595).

402123450005 is a wasteful number, since it uses less digits than its factorization.

402123450005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14405.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 402123450005 its reverse (500054321204), we get a palindrome (902177771209).

The spelling of 402123450005 in words is "four hundred two billion, one hundred twenty-three million, four hundred fifty thousand, five".