100023132105 has 48 divisors (see below), whose sum is σ = 186809837760. Its totient is φ = 49215786624.

The previous prime is 100023132103. The next prime is 100023132173. The reversal of 100023132105 is 501231320001.

It is not a de Polignac number, because 100023132105 - 2¹ = 100023132103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100023132103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1070766 + ... + 1160424.

It is an arithmetic number, because the mean of its divisors is an integer number (3891871620).

Almost surely, 2^100023132105 is an apocalyptic number.

100023132105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100023132105 is a deficient number, since it is larger than the sum of its proper divisors (86786705655).

100023132105 is a wasteful number, since it uses less digits than its factorization.

100023132105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91590 (or 91587 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 100023132105 its reverse (501231320001), we get a palindrome (601254452106).

The spelling of 100023132105 in words is "one hundred billion, twenty-three million, one hundred thirty-two thousand, one hundred five".