123210123131 has 8 divisors (see below), whose sum is σ = 127217123328. Its totient is φ = 119205153000.

The previous prime is 123210123119. The next prime is 123210123199. The reversal of 123210123131 is 131321012321.

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 123210123131 - 2³⁴ = 106030253947 is a prime.

It is a super-2 number, since 2×123210123131² (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 (123210123031) 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, 383675 + ... + 627396.

It is an arithmetic number, because the mean of its divisors is an integer number (15902140416).

Almost surely, 2^123210123131 is an apocalyptic number.

123210123131 is a deficient number, since it is larger than the sum of its proper divisors (4007000197).

123210123131 is a wasteful number, since it uses less digits than its factorization.

123210123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015033.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123210123131 its reverse (131321012321), we get a palindrome (254531135452).

The spelling of 123210123131 in words is "one hundred twenty-three billion, two hundred ten million, one hundred twenty-three thousand, one hundred thirty-one".