123223021101000 has 192 divisors, whose sum is σ = 416511475211520. Its totient is φ = 32858078697600.

The previous prime is 123223021100911. The next prime is 123223021101023. The reversal of 123223021101000 is 101120322321.

123223021101000 is a `hidden beast` number, since 1 + 2 + 322 + 30 + 211 + 0 + 100 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221328979 + ... + 221885021.

It is an arithmetic number, because the mean of its divisors is an integer number (2169330600060).

Almost surely, 2^{123223021101000} is an apocalyptic number.

123223021101000 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 123223021101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208255737605760).

123223021101000 is an abundant number, since it is smaller than the sum of its proper divisors (293288454110520).

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

123223021101000 is a wasteful number, since it uses less digits than its factorization.

123223021101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580693 (or 580676 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123223021101000 its reverse (101120322321), we get a palindrome (123324141423321).

The spelling of 123223021101000 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, twenty-one million, one hundred one thousand".