23045623 has 2 divisors, whose sum is σ = 23045624. Its totient is φ = 23045622.

The previous prime is 23045621. The next prime is 23045629. The reversal of 23045623 is 32654032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23045623 - 2¹ = 23045621 is a prime.

It is a super-2 number, since 2×23045623² = 1062201478916258, which contains 22 as substring.

Together with 23045621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23045621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522811 + 11522812.

It is an arithmetic number, because the mean of its divisors is an integer number (11522812).

Almost surely, 2^23045623 is an apocalyptic number.

23045623 is a deficient number, since it is larger than the sum of its proper divisors (1).

23045623 is an equidigital number, since it uses as much as digits as its factorization.

23045623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 23045623 is about 4800.5856934337. The cubic root of 23045623 is about 284.5746111002.

Adding to 23045623 its reverse (32654032), we get a palindrome (55699655).

The spelling of 23045623 in words is "twenty-three million, forty-five thousand, six hundred twenty-three".