23016819 has 12 divisors (see below), whose sum is σ = 35699784. Its totient is φ = 13152384.

The previous prime is 23016817. The next prime is 23016821. The reversal of 23016819 is 91861032.

It is an interprime number because it is at equal distance from previous prime (23016817) and next prime (23016821).

It is not a de Polignac number, because 23016819 - 2¹ = 23016817 is a prime.

It is a super-2 number, since 2×23016819² = 1059547913757522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23016817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78142 + ... + 78435.

It is an arithmetic number, because the mean of its divisors is an integer number (2974982).

Almost surely, 2^23016819 is an apocalyptic number.

23016819 is a deficient number, since it is larger than the sum of its proper divisors (12682965).

23016819 is a wasteful number, since it uses less digits than its factorization.

23016819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156594 (or 156587 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 23016819 is about 4797.5847048280. The cubic root of 23016819 is about 284.4560013830.

The spelling of 23016819 in words is "twenty-three million, sixteen thousand, eight hundred nineteen".