233123131101 has 64 divisors (see below), whose sum is σ = 375781529600. Its totient is φ = 125579102976.

The previous prime is 233123131081. The next prime is 233123131147. The reversal of 233123131101 is 101131321332.

It is a happy number.

It is not a de Polignac number, because 233123131101 - 2⁶ = 233123131037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233123131151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139677495 + ... + 139679163.

It is an arithmetic number, because the mean of its divisors is an integer number (5871586400).

Almost surely, 2^233123131101 is an apocalyptic number.

233123131101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

233123131101 is a deficient number, since it is larger than the sum of its proper divisors (142658398499).

233123131101 is a wasteful number, since it uses less digits than its factorization.

233123131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 233123131101 its reverse (101131321332), we get a palindrome (334254452433).

The spelling of 233123131101 in words is "two hundred thirty-three billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred one".