23409370 has 8 divisors (see below), whose sum is σ = 42136884. Its totient is φ = 9363744.

The previous prime is 23409361. The next prime is 23409383. The reversal of 23409370 is 7390432.

It can be written as a sum of positive squares in 2 ways, for example, as 23011209 + 398161 = 4797^2 + 631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170459 + ... + 1170478.

Almost surely, 2^23409370 is an apocalyptic number.

23409370 is a deficient number, since it is larger than the sum of its proper divisors (18727514).

23409370 is a wasteful number, since it uses less digits than its factorization.

23409370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340944.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23409370 is about 4838.3230565972. The cubic root of 23409370 is about 286.0640230282.

The spelling of 23409370 in words is "twenty-three million, four hundred nine thousand, three hundred seventy".