101423431988 has 6 divisors (see below), whose sum is σ = 177491005986. Its totient is φ = 50711715992.

The previous prime is 101423431987. The next prime is 101423432009. The reversal of 101423431988 is 889134324101.

It can be written as a sum of positive squares in only one way, i.e., 80762819344 + 20660612644 = 284188^2 + 143738^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101423431981) 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 as a sum of consecutive naturals, namely, 12677928995 + ... + 12677929002.

It is an arithmetic number, because the mean of its divisors is an integer number (29581834331).

Almost surely, 2^101423431988 is an apocalyptic number.

It is an amenable number.

101423431988 is a deficient number, since it is larger than the sum of its proper divisors (76067573998).

101423431988 is a wasteful number, since it uses less digits than its factorization.

101423431988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25355858001 (or 25355857999 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 101423431988 in words is "one hundred one billion, four hundred twenty-three million, four hundred thirty-one thousand, nine hundred eighty-eight".