23406190 has 32 divisors (see below), whose sum is σ = 44621280. Its totient is φ = 8824704.

The previous prime is 23406151. The next prime is 23406193. The reversal of 23406190 is 9160432.

It is a super-2 number, since 2×23406190² = 1095699460632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406193) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11532 + ... + 13408.

It is an arithmetic number, because the mean of its divisors is an integer number (1394415).

Almost surely, 2^23406190 is an apocalyptic number.

23406190 is a deficient number, since it is larger than the sum of its proper divisors (21215090).

23406190 is a wasteful number, since it uses less digits than its factorization.

23406190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 23406190 is about 4837.9944191783. The cubic root of 23406190 is about 286.0510691727.

The spelling of 23406190 in words is "twenty-three million, four hundred six thousand, one hundred ninety".