123011012033320 has 16 divisors (see below), whose sum is σ = 276774777075060. Its totient is φ = 49204404813312.

The previous prime is 123011012033279. The next prime is 123011012033341. The reversal of 123011012033320 is 23330210110321.

It can be written as a sum of positive squares in 2 ways, for example, as 122027769237924 + 983242795396 = 11046618^2 + 991586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123011012033291 and 123011012033300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537637650377 + ... + 1537637650456.

Almost surely, 2^{123011012033320} is an apocalyptic number.

123011012033320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123011012033320 is an abundant number, since it is smaller than the sum of its proper divisors (153763765041740).

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

123011012033320 is a wasteful number, since it uses less digits than its factorization.

123011012033320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075275300844 (or 3075275300840 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123011012033320 its reverse (23330210110321), we get a palindrome (146341222143641).

The spelling of 123011012033320 in words is "one hundred twenty-three trillion, eleven billion, twelve million, thirty-three thousand, three hundred twenty".