23043623 has 2 divisors, whose sum is σ = 23043624. Its totient is φ = 23043622.

The previous prime is 23043617. The next prime is 23043659. The reversal of 23043623 is 32634032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23043623 - 2⁴ = 23043607 is a prime.

It is a super-2 number, since 2×23043623² = 1062017121932258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23043673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521811 + 11521812.

It is an arithmetic number, because the mean of its divisors is an integer number (11521812).

Almost surely, 2^23043623 is an apocalyptic number.

23043623 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043623 is an equidigital number, since it uses as much as digits as its factorization.

23043623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 23043623 is about 4800.3773809983. The cubic root of 23043623 is about 284.5663786521.

Adding to 23043623 its reverse (32634032), we get a palindrome (55677655).

The spelling of 23043623 in words is "twenty-three million, forty-three thousand, six hundred twenty-three".