101423123802 has 384 divisors, whose sum is σ = 313841848320. Its totient is φ = 22781675520.

The previous prime is 101423123797. The next prime is 101423123803. The reversal of 101423123802 is 208321324101.

101423123802 is a `hidden beast` number, since 1 + 0 + 1 + 423 + 1 + 238 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (101423123803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 80557849 + ... + 80559107.

It is an arithmetic number, because the mean of its divisors is an integer number (817296480).

Almost surely, 2^101423123802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101423123802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156920924160).

101423123802 is an abundant number, since it is smaller than the sum of its proper divisors (212418724518).

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

101423123802 is a wasteful number, since it uses less digits than its factorization.

101423123802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 101423123802 its reverse (208321324101), we get a palindrome (309744447903).

The spelling of 101423123802 in words is "one hundred one billion, four hundred twenty-three million, one hundred twenty-three thousand, eight hundred two".