123233320221001 has 2 divisors, whose sum is σ = 123233320221002. Its totient is φ = 123233320221000.

The previous prime is 123233320220963. The next prime is 123233320221013. The reversal of 123233320221001 is 100122023332321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77622531433225 + 45610788787776 = 8810365^2 + 6753576^2 .

It is a cyclic number.

It is not a de Polignac number, because 123233320221001 - 2⁷ = 123233320220873 is a prime.

It is not a weakly prime, because it can be changed into another prime (123233320221041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616660110500 + 61616660110501.

It is an arithmetic number, because the mean of its divisors is an integer number (61616660110501).

Almost surely, 2^{123233320221001} is an apocalyptic number.

It is an amenable number.

123233320221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

123233320221001 is an equidigital number, since it uses as much as digits as its factorization.

123233320221001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123233320221001 its reverse (100122023332321), we get a palindrome (223355343553322).

It can be divided in two parts, 123233320 and 221001, that added together give a palindrome (123454321).

The spelling of 123233320221001 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, three hundred twenty million, two hundred twenty-one thousand, one".