1223001320233 has 24 divisors (see below), whose sum is σ = 1561302679104. Its totient is φ = 947281456800.

The previous prime is 1223001320209. The next prime is 1223001320237. The reversal of 1223001320233 is 3320231003221.

It is not a de Polignac number, because 1223001320233 - 2¹³ = 1223001312041 is a prime.

It is a super-2 number, since 2×1223001320233² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223001320237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6703458 + ... + 6883483.

It is an arithmetic number, because the mean of its divisors is an integer number (65054278296).

Almost surely, 2^{1223001320233} is an apocalyptic number.

It is an amenable number.

1223001320233 is a deficient number, since it is larger than the sum of its proper divisors (338301358871).

1223001320233 is a wasteful number, since it uses less digits than its factorization.

1223001320233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13587133 (or 13587126 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1223001320233 its reverse (3320231003221), we get a palindrome (4543232323454).

The spelling of 1223001320233 in words is "one trillion, two hundred twenty-three billion, one million, three hundred twenty thousand, two hundred thirty-three".