100423461 has 4 divisors (see below), whose sum is σ = 133897952. Its totient is φ = 66948972.

The previous prime is 100423441. The next prime is 100423481. The reversal of 100423461 is 164324001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (100423441) and next prime (100423481).

It is not a de Polignac number, because 100423461 - 2⁶ = 100423397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100423441) 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, 16737241 + ... + 16737246.

It is an arithmetic number, because the mean of its divisors is an integer number (33474488).

Almost surely, 2^100423461 is an apocalyptic number.

It is an amenable number.

100423461 is a deficient number, since it is larger than the sum of its proper divisors (33474491).

100423461 is an equidigital number, since it uses as much as digits as its factorization.

100423461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33474490.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 100423461 is about 10021.1506824316. The cubic root of 100423461 is about 464.8131380071.

Adding to 100423461 its reverse (164324001), we get a palindrome (264747462).

The spelling of 100423461 in words is "one hundred million, four hundred twenty-three thousand, four hundred sixty-one".