123201311010133 has 4 divisors (see below), whose sum is σ = 128557889749728. Its totient is φ = 117844732270540.

The previous prime is 123201311010101. The next prime is 123201311010187. The reversal of 123201311010133 is 331010113102321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123201311010133 - 2⁵ = 123201311010101 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 (123201311020133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678289369763 + ... + 2678289369808.

It is an arithmetic number, because the mean of its divisors is an integer number (32139472437432).

Almost surely, 2^{123201311010133} is an apocalyptic number.

It is an amenable number.

123201311010133 is a deficient number, since it is larger than the sum of its proper divisors (5356578739595).

123201311010133 is an equidigital number, since it uses as much as digits as its factorization.

123201311010133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356578739594.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 123201311010133 its reverse (331010113102321), we get a palindrome (454211424112454).

The spelling of 123201311010133 in words is "one hundred twenty-three trillion, two hundred one billion, three hundred eleven million, ten thousand, one hundred thirty-three".