100532123 has 4 divisors (see below), whose sum is σ = 102984168. Its totient is φ = 98080080.

The previous prime is 100532119. The next prime is 100532141. The reversal of 100532123 is 321235001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321235001 = 29 ⋅11077069.

It is a cyclic number.

It is not a de Polignac number, because 100532123 - 2² = 100532119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100532143) 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, 1225961 + ... + 1226042.

It is an arithmetic number, because the mean of its divisors is an integer number (25746042).

Almost surely, 2^100532123 is an apocalyptic number.

100532123 is a deficient number, since it is larger than the sum of its proper divisors (2452045).

100532123 is an equidigital number, since it uses as much as digits as its factorization.

100532123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452044.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 100532123 is about 10026.5708494978. The cubic root of 100532123 is about 464.9807260674.

Adding to 100532123 its reverse (321235001), we get a palindrome (421767124).

The spelling of 100532123 in words is "one hundred million, five hundred thirty-two thousand, one hundred twenty-three".