105423472 has 40 divisors (see below), whose sum is σ = 254662272. Its totient is φ = 41073600.

The previous prime is 105423469. The next prime is 105423481. The reversal of 105423472 is 274324501.

It is a super-2 number, since 2×105423472² = 22228216897069568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 105423472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41554 + ... + 44017.

Almost surely, 2^105423472 is an apocalyptic number.

It is an amenable number.

105423472 is an abundant number, since it is smaller than the sum of its proper divisors (149238800).

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

105423472 is a wasteful number, since it uses less digits than its factorization.

105423472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85597 (or 85591 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 105423472 is about 10267.5932915168. The cubic root of 105423472 is about 472.4027731231.

Adding to 105423472 its reverse (274324501), we get a palindrome (379747973).

The spelling of 105423472 in words is "one hundred five million, four hundred twenty-three thousand, four hundred seventy-two".