104223021240 has 128 divisors (see below), whose sum is σ = 337247447040. Its totient is φ = 25614752256.

The previous prime is 104223021209. The next prime is 104223021283. The reversal of 104223021240 is 42120322401.

It is a super-2 number, since 2×104223021240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 951129 + ... + 1055031.

It is an arithmetic number, because the mean of its divisors is an integer number (2634745680).

Almost surely, 2^104223021240 is an apocalyptic number.

104223021240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104223021240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168623723520).

104223021240 is an abundant number, since it is smaller than the sum of its proper divisors (233024425800).

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

104223021240 is a wasteful number, since it uses less digits than its factorization.

104223021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104573 (or 104569 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 104223021240 its reverse (42120322401), we get a palindrome (146343343641).

The spelling of 104223021240 in words is "one hundred four billion, two hundred twenty-three million, twenty-one thousand, two hundred forty".