123651204162 has 8 divisors (see below), whose sum is σ = 247302408336. Its totient is φ = 41217068052.

The previous prime is 123651204143. The next prime is 123651204163. The reversal of 123651204162 is 261402156321.

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

123651204162 is an admirable number.

It is a super-2 number, since 2×123651204162² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123651204163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10304267008 + ... + 10304267019.

It is an arithmetic number, because the mean of its divisors is an integer number (30912801042).

Almost surely, 2^123651204162 is an apocalyptic number.

123651204162 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.

123651204162 is a wasteful number, since it uses less digits than its factorization.

123651204162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20608534032.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 123651204162 in words is "one hundred twenty-three billion, six hundred fifty-one million, two hundred four thousand, one hundred sixty-two".