23674428 has 36 divisors (see below), whose sum is σ = 60016320. Its totient is φ = 7868736.

The previous prime is 23674403. The next prime is 23674439. The reversal of 23674428 is 82447632.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×23674428² = 1120957082254368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23674392 and 23674401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15733 + ... + 17171.

It is an arithmetic number, because the mean of its divisors is an integer number (1667120).

It is a vampire number, since it can be written as 2742 ⋅ 8634 (with its own digits).

Almost surely, 2^23674428 is an apocalyptic number.

It is an amenable number.

23674428 is an abundant number, since it is smaller than the sum of its proper divisors (36341892).

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

23674428 is a wasteful number, since it uses less digits than its factorization.

23674428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1901 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 23674428 is about 4865.6374710823. The cubic root of 23674428 is about 287.1396488413.

The spelling of 23674428 in words is "twenty-three million, six hundred seventy-four thousand, four hundred twenty-eight".