1230123132351 has 16 divisors (see below), whose sum is σ = 1823567692800. Its totient is φ = 819558714744.

The previous prime is 1230123132311. The next prime is 1230123132361. The reversal of 1230123132351 is 1532313210321.

1230123132351 is a `hidden beast` number, since 1 + 2 + 301 + 2 + 3 + 1 + 3 + 2 + 351 = 666.

It is not a de Polignac number, because 1230123132351 - 2¹⁷ = 1230123001279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230123132311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14495061 + ... + 14579678.

It is an arithmetic number, because the mean of its divisors is an integer number (113972980800).

Almost surely, 2^{1230123132351} is an apocalyptic number.

1230123132351 is a deficient number, since it is larger than the sum of its proper divisors (593444560449).

1230123132351 is a wasteful number, since it uses less digits than its factorization.

1230123132351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29076315 (or 29076309 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 1230123132351 its reverse (1532313210321), we get a palindrome (2762436342672).

The spelling of 1230123132351 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred fifty-one".