23669390 has 8 divisors (see below), whose sum is σ = 42604920. Its totient is φ = 9467752.

The previous prime is 23669377. The next prime is 23669407. The reversal of 23669390 is 9396632.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183460 + ... + 1183479.

It is an arithmetic number, because the mean of its divisors is an integer number (5325615).

Almost surely, 2^23669390 is an apocalyptic number.

23669390 is a deficient number, since it is larger than the sum of its proper divisors (18935530).

23669390 is a wasteful number, since it uses less digits than its factorization.

23669390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366946.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 23669390 is about 4865.1197313119. The cubic root of 23669390 is about 287.1192792935.

The spelling of 23669390 in words is "twenty-three million, six hundred sixty-nine thousand, three hundred ninety".