402430141123 has 4 divisors (see below), whose sum is σ = 403056005128. Its totient is φ = 401804277120.

The previous prime is 402430141109. The next prime is 402430141129. The reversal of 402430141123 is 321141034204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402430141123 is a prime.

It is a super-2 number, since 2×402430141123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402430141129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312931038 + ... + 312932323.

It is an arithmetic number, because the mean of its divisors is an integer number (100764001282).

Almost surely, 2^402430141123 is an apocalyptic number.

402430141123 is a deficient number, since it is larger than the sum of its proper divisors (625864005).

402430141123 is an equidigital number, since it uses as much as digits as its factorization.

402430141123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625864004.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 402430141123 its reverse (321141034204), we get a palindrome (723571175327).

The spelling of 402430141123 in words is "four hundred two billion, four hundred thirty million, one hundred forty-one thousand, one hundred twenty-three".