123030140311402 has 8 divisors (see below), whose sum is σ = 184619713991076. Its totient is φ = 61490235647712.

The previous prime is 123030140311391. The next prime is 123030140311483. The reversal of 123030140311402 is 204113041030321.

It can be written as a sum of positive squares in 2 ways, for example, as 122448366478321 + 581773833081 = 11065639^2 + 762741^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12417247803 + ... + 12417257710.

Almost surely, 2^{123030140311402} is an apocalyptic number.

123030140311402 is a deficient number, since it is larger than the sum of its proper divisors (61589573679674).

123030140311402 is a wasteful number, since it uses less digits than its factorization.

123030140311402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24834507992.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123030140311402 its reverse (204113041030321), we get a palindrome (327143181341723).

The spelling of 123030140311402 in words is "one hundred twenty-three trillion, thirty billion, one hundred forty million, three hundred eleven thousand, four hundred two".