402424243123 has 8 divisors (see below), whose sum is σ = 460032507648. Its totient is φ = 344845750344.

The previous prime is 402424243103. The next prime is 402424243127. The reversal of 402424243123 is 321342424204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402424243123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402424243127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7413961 + ... + 7468042.

It is an arithmetic number, because the mean of its divisors is an integer number (57504063456).

Almost surely, 2^402424243123 is an apocalyptic number.

402424243123 is a deficient number, since it is larger than the sum of its proper divisors (57608264525).

402424243123 is a wasteful number, since it uses less digits than its factorization.

402424243123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14885873.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 402424243123 its reverse (321342424204), we get a palindrome (723766667327).

The spelling of 402424243123 in words is "four hundred two billion, four hundred twenty-four million, two hundred forty-three thousand, one hundred twenty-three".