131123023230 has 64 divisors (see below), whose sum is σ = 328442853888. Its totient is φ = 33439232640.

The previous prime is 131123023223. The next prime is 131123023237. The reversal of 131123023230 is 32320321131.

It is an interprime number because it is at equal distance from previous prime (131123023223) and next prime (131123023237).

It is a junction number, because it is equal to n+sod(n) for n = 131123023197 and 131123023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123023237) 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, 4115160 + ... + 4146900.

It is an arithmetic number, because the mean of its divisors is an integer number (5131919592).

Almost surely, 2^131123023230 is an apocalyptic number.

131123023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131123023230 is an abundant number, since it is smaller than the sum of its proper divisors (197319830658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131123023230 is a wasteful number, since it uses less digits than its factorization.

131123023230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37761.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131123023230 its reverse (32320321131), we get a palindrome (163443344361).

The spelling of 131123023230 in words is "one hundred thirty-one billion, one hundred twenty-three million, twenty-three thousand, two hundred thirty".