1223115332413 has 8 divisors (see below), whose sum is σ = 1324478484056. Its totient is φ = 1122791803200.

The previous prime is 1223115332399. The next prime is 1223115332437. The reversal of 1223115332413 is 3142335113221.

It can be written as a sum of positive squares in 4 ways, for example, as 15835202244 + 1207280130169 = 125838^2 + 1098763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223115332413 - 2²¹ = 1223113235261 is a prime.

It is a super-2 number, since 2×1223115332413² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223115332713) 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, 259903158 + ... + 259907863.

It is an arithmetic number, because the mean of its divisors is an integer number (165559810507).

Almost surely, 2^{1223115332413} is an apocalyptic number.

1223115332413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1223115332413 is a deficient number, since it is larger than the sum of its proper divisors (101363151643).

1223115332413 is a wasteful number, since it uses less digits than its factorization.

1223115332413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519811215.

The product of its digits is 12960, while the sum is 31.

The spelling of 1223115332413 in words is "one trillion, two hundred twenty-three billion, one hundred fifteen million, three hundred thirty-two thousand, four hundred thirteen".