23071623 has 4 divisors (see below), whose sum is σ = 30762168. Its totient is φ = 15381080.

The previous prime is 23071619. The next prime is 23071627. The reversal of 23071623 is 32617032.

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 (23071619) and next prime (23071627).

It is a cyclic number.

It is not a de Polignac number, because 23071623 - 2² = 23071619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23071593 and 23071602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23071627) 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, 3845268 + ... + 3845273.

It is an arithmetic number, because the mean of its divisors is an integer number (7690542).

Almost surely, 2^23071623 is an apocalyptic number.

23071623 is a deficient number, since it is larger than the sum of its proper divisors (7690545).

23071623 is an equidigital number, since it uses as much as digits as its factorization.

23071623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690544.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 23071623 is about 4803.2929329784. The cubic root of 23071623 is about 284.6815896089.

Adding to 23071623 its reverse (32617032), we get a palindrome (55688655).

The spelling of 23071623 in words is "twenty-three million, seventy-one thousand, six hundred twenty-three".