23012031221322 has 64 divisors (see below), whose sum is σ = 54548725021056. Its totient is φ = 6379967784960.

The previous prime is 23012031221299. The next prime is 23012031221371. The reversal of 23012031221322 is 22312213021032.

It is a junction number, because it is equal to n+sod(n) for n = 23012031221292 and 23012031221301.

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, 118578043 + ... + 118771950.

It is an arithmetic number, because the mean of its divisors is an integer number (852323828454).

Almost surely, 2^{23012031221322} is an apocalyptic number.

23012031221322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23012031221322 is an abundant number, since it is smaller than the sum of its proper divisors (31536693799734).

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

23012031221322 is a wasteful number, since it uses less digits than its factorization.

23012031221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237350135.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23012031221322 its reverse (22312213021032), we get a palindrome (45324244242354).

The spelling of 23012031221322 in words is "twenty-three trillion, twelve billion, thirty-one million, two hundred twenty-one thousand, three hundred twenty-two".