101043023420 has 48 divisors (see below), whose sum is σ = 228911272128. Its totient is φ = 37321989120.

The previous prime is 101043023399. The next prime is 101043023443. The reversal of 101043023420 is 24320340101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101043023392 and 101043023401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785616 + ... + 2821655.

It is an arithmetic number, because the mean of its divisors is an integer number (4768984836).

Almost surely, 2^101043023420 is an apocalyptic number.

101043023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101043023420 is an abundant number, since it is smaller than the sum of its proper divisors (127868248708).

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

101043023420 is a wasteful number, since it uses less digits than its factorization.

101043023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607350 (or 5607348 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 101043023420 its reverse (24320340101), we get a palindrome (125363363521).

The spelling of 101043023420 in words is "one hundred one billion, forty-three million, twenty-three thousand, four hundred twenty".