123011333131223 has 32 divisors (see below), whose sum is σ = 131162293248000. Its totient is φ = 115038151192800.

The previous prime is 123011333131171. The next prime is 123011333131229. The reversal of 123011333131223 is 322131333110321.

It is a cyclic number.

It is not a de Polignac number, because 123011333131223 - 2¹⁸ = 123011332869079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011333131229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1705162688 + ... + 1705234826.

It is an arithmetic number, because the mean of its divisors is an integer number (4098821664000).

Almost surely, 2^{123011333131223} is an apocalyptic number.

123011333131223 is a deficient number, since it is larger than the sum of its proper divisors (8150960116777).

123011333131223 is a wasteful number, since it uses less digits than its factorization.

123011333131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76035.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 123011333131223 its reverse (322131333110321), we get a palindrome (445142666241544).

The spelling of 123011333131223 in words is "one hundred twenty-three trillion, eleven billion, three hundred thirty-three million, one hundred thirty-one thousand, two hundred twenty-three".