123031200104 has 16 divisors (see below), whose sum is σ = 238638104100. Its totient is φ = 59394372352.

The previous prime is 123031200101. The next prime is 123031200107. The reversal of 123031200104 is 401002130321.

It is an interprime number because it is at equal distance from previous prime (123031200101) and next prime (123031200107).

It can be written as a sum of positive squares in 2 ways, for example, as 122619028900 + 412171204 = 350170^2 + 20302^2 .

It is a super-2 number, since 2×123031200104² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123031200101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265153217 + ... + 265153680.

Almost surely, 2^123031200104 is an apocalyptic number.

It is an amenable number.

123031200104 is a deficient number, since it is larger than the sum of its proper divisors (115606903996).

123031200104 is a wasteful number, since it uses less digits than its factorization.

123031200104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530306932 (or 530306928 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123031200104 its reverse (401002130321), we get a palindrome (524033330425).

The spelling of 123031200104 in words is "one hundred twenty-three billion, thirty-one million, two hundred thousand, one hundred four".