123002111131 has 8 divisors (see below), whose sum is σ = 126135256464. Its totient is φ = 119875303680.

The previous prime is 123002111101. The next prime is 123002111149. The reversal of 123002111131 is 131111200321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123002111131 - 2¹³ = 123002102939 is a prime.

It is a super-2 number, since 2×123002111131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123002111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545150 + ... + 1622803.

It is an arithmetic number, because the mean of its divisors is an integer number (15766907058).

Almost surely, 2^123002111131 is an apocalyptic number.

123002111131 is a deficient number, since it is larger than the sum of its proper divisors (3133145333).

123002111131 is an equidigital number, since it uses as much as digits as its factorization.

123002111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168941.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 123002111131 its reverse (131111200321), we get a palindrome (254113311452).

The spelling of 123002111131 in words is "one hundred twenty-three billion, two million, one hundred eleven thousand, one hundred thirty-one".