1223453076216 has 32 divisors (see below), whose sum is σ = 3495580218240. Its totient is φ = 349558021728.

The previous prime is 1223453076169. The next prime is 1223453076217. The reversal of 1223453076216 is 6126703543221.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223453076217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3641229226 + ... + 3641229561.

It is an arithmetic number, because the mean of its divisors is an integer number (109236881820).

Almost surely, 2^{1223453076216} is an apocalyptic number.

It is an amenable number.

1223453076216 is an abundant number, since it is smaller than the sum of its proper divisors (2272127142024).

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

1223453076216 is a wasteful number, since it uses less digits than its factorization.

1223453076216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7282458803 (or 7282458799 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 1223453076216 in words is "one trillion, two hundred twenty-three billion, four hundred fifty-three million, seventy-six thousand, two hundred sixteen".