23470091 has 4 divisors (see below), whose sum is σ = 23649384. Its totient is φ = 23290800.

The previous prime is 23470079. The next prime is 23470103. The reversal of 23470091 is 19007432.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23470079) and next prime (23470103).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23470091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23470091.

It is not an unprimeable number, because it can be changed into a prime (23476091) 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, 89450 + ... + 89711.

It is an arithmetic number, because the mean of its divisors is an integer number (5912346).

Almost surely, 2^23470091 is an apocalyptic number.

23470091 is a deficient number, since it is larger than the sum of its proper divisors (179293).

23470091 is a wasteful number, since it uses less digits than its factorization.

23470091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179292.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23470091 is about 4844.5939974367. The cubic root of 23470091 is about 286.3111476699.

The spelling of 23470091 in words is "twenty-three million, four hundred seventy thousand, ninety-one".