10123423402002 has 8 divisors (see below), whose sum is σ = 20246846804016. Its totient is φ = 3374474467332.

The previous prime is 10123423401983. The next prime is 10123423402003. The reversal of 10123423402002 is 20020432432101.

It is a happy number.

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

10123423402002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (10123423402003) 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, 843618616828 + ... + 843618616839.

It is an arithmetic number, because the mean of its divisors is an integer number (2530855850502).

Almost surely, 2^{10123423402002} is an apocalyptic number.

10123423402002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10123423402002 is a wasteful number, since it uses less digits than its factorization.

10123423402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687237233672.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 10123423402002 its reverse (20020432432101), we get a palindrome (30143855834103).

The spelling of 10123423402002 in words is "ten trillion, one hundred twenty-three billion, four hundred twenty-three million, four hundred two thousand, two".