100123231301 has 4 divisors (see below), whose sum is σ = 100271124492. Its totient is φ = 99975338112.

The previous prime is 100123231291. The next prime is 100123231361. The reversal of 100123231301 is 103132321001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103132321001 = 24001 ⋅4297001.

It can be written as a sum of positive squares in 2 ways, for example, as 81299116900 + 18824114401 = 285130^2 + 137201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100123231301 is a prime.

It is a super-2 number, since 2×100123231301² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100123231301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123231361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73945580 + ... + 73946933.

It is an arithmetic number, because the mean of its divisors is an integer number (25067781123).

Almost surely, 2^100123231301 is an apocalyptic number.

It is an amenable number.

100123231301 is a deficient number, since it is larger than the sum of its proper divisors (147893191).

100123231301 is an equidigital number, since it uses as much as digits as its factorization.

100123231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147893190.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100123231301 its reverse (103132321001), we get a palindrome (203255552302).

The spelling of 100123231301 in words is "one hundred billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred one".