23428995 has 16 divisors (see below), whose sum is σ = 39459840. Its totient is φ = 11837664.

The previous prime is 23428981. The next prime is 23428997. The reversal of 23428995 is 59982432.

It is not a de Polignac number, because 23428995 - 2⁸ = 23428739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23428997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40819 + ... + 41388.

It is an arithmetic number, because the mean of its divisors is an integer number (2466240).

Almost surely, 2^23428995 is an apocalyptic number.

23428995 is a deficient number, since it is larger than the sum of its proper divisors (16030845).

23428995 is a wasteful number, since it uses less digits than its factorization.

23428995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82234.

The product of its digits is 155520, while the sum is 42.

The square root of 23428995 is about 4840.3507104341. The cubic root of 23428995 is about 286.1439402916.

The spelling of 23428995 in words is "twenty-three million, four hundred twenty-eight thousand, nine hundred ninety-five".