4012023311320 has 32 divisors (see below), whose sum is σ = 9032261523120. Its totient is φ = 1603883267200.

The previous prime is 4012023311297. The next prime is 4012023311371. The reversal of 4012023311320 is 231133202104.

It is a junction number, because it is equal to n+sod(n) for n = 4012023311291 and 4012023311300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28869106 + ... + 29007745.

Almost surely, 2^{4012023311320} is an apocalyptic number.

4012023311320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4012023311320 is an abundant number, since it is smaller than the sum of its proper divisors (5020238211800).

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

4012023311320 is a wasteful number, since it uses less digits than its factorization.

4012023311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57878595 (or 57878591 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 4012023311320 its reverse (231133202104), we get a palindrome (4243156513424).

The spelling of 4012023311320 in words is "four trillion, twelve billion, twenty-three million, three hundred eleven thousand, three hundred twenty".