123031200102 has 16 divisors (see below), whose sum is σ = 250232950080. Its totient is φ = 40315308392.

The previous prime is 123031200101. The next prime is 123031200107. The reversal of 123031200102 is 201002130321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031200101) 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, 173772528 + ... + 173773235.

It is an arithmetic number, because the mean of its divisors is an integer number (15639559380).

Almost surely, 2^123031200102 is an apocalyptic number.

123031200102 is an abundant number, since it is smaller than the sum of its proper divisors (127201749978).

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

123031200102 is a wasteful number, since it uses less digits than its factorization.

123031200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347545827.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123031200102 its reverse (201002130321), we get a palindrome (324033330423).

The spelling of 123031200102 in words is "one hundred twenty-three billion, thirty-one million, two hundred thousand, one hundred two".