1623226223261 has 8 divisors (see below), whose sum is σ = 1718099292000. Its totient is φ = 1529297165520.

The previous prime is 1623226223237. The next prime is 1623226223273.

1623226223261 is nontrivially palindromic in base 10.

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 1623226223261 - 2²² = 1623222028957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623226223231) 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, 235999211 + ... + 236006088.

It is an arithmetic number, because the mean of its divisors is an integer number (214762411500).

Almost surely, 2^{1623226223261} is an apocalyptic number.

It is an amenable number.

1623226223261 is a deficient number, since it is larger than the sum of its proper divisors (94873068739).

1623226223261 is a wasteful number, since it uses less digits than its factorization.

1623226223261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472005499.

The product of its digits is 124416, while the sum is 38.

The spelling of 1623226223261 in words is "one trillion, six hundred twenty-three billion, two hundred twenty-six million, two hundred twenty-three thousand, two hundred sixty-one".