1223234556997 has 8 divisors (see below), whose sum is σ = 1325310218496. Its totient is φ = 1124505638592.

The previous prime is 1223234556949. The next prime is 1223234557007. The reversal of 1223234556997 is 7996554323221.

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 1223234556997 - 2¹⁵ = 1223234524229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223234556497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836685013 + ... + 836686474.

It is an arithmetic number, because the mean of its divisors is an integer number (165663777312).

Almost surely, 2^{1223234556997} is an apocalyptic number.

1223234556997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1223234556997 is a deficient number, since it is larger than the sum of its proper divisors (102075661499).

1223234556997 is a wasteful number, since it uses less digits than its factorization.

1223234556997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673371547.

The product of its digits is 24494400, while the sum is 58.

The spelling of 1223234556997 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-four million, five hundred fifty-six thousand, nine hundred ninety-seven".