23195690 has 16 divisors (see below), whose sum is σ = 47716992. Its totient is φ = 7952784.

The previous prime is 23195687. The next prime is 23195729. The reversal of 23195690 is 9659132.

It is a super-2 number, since 2×23195690² = 1076080069152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 23195690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165614 + ... + 165753.

It is an arithmetic number, because the mean of its divisors is an integer number (2982312).

Almost surely, 2^23195690 is an apocalyptic number.

23195690 is an abundant number, since it is smaller than the sum of its proper divisors (24521302).

23195690 is a wasteful number, since it uses less digits than its factorization.

23195690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331381.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 23195690 is about 4816.1904032129. The cubic root of 23195690 is about 285.1909667083.

The spelling of 23195690 in words is "twenty-three million, one hundred ninety-five thousand, six hundred ninety".