23402770 has 8 divisors (see below), whose sum is σ = 42125004. Its totient is φ = 9361104.

The previous prime is 23402767. The next prime is 23402773. The reversal of 23402770 is 7720432.

It is an interprime number because it is at equal distance from previous prime (23402767) and next prime (23402773).

It can be written as a sum of positive squares in 2 ways, for example, as 23145721 + 257049 = 4811^2 + 507^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23402773) 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, 1170129 + ... + 1170148.

Almost surely, 2^23402770 is an apocalyptic number.

23402770 is a deficient number, since it is larger than the sum of its proper divisors (18722234).

23402770 is a wasteful number, since it uses less digits than its factorization.

23402770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340284.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 23402770 is about 4837.6409540188. The cubic root of 23402770 is about 286.0371363582.

It can be divided in two parts, 2340 and 2770, that multiplied together give a triangular number (6481800 = T₃₆₀₀).

The spelling of 23402770 in words is "twenty-three million, four hundred two thousand, seven hundred seventy".