23351243 has 2 divisors, whose sum is σ = 23351244. Its totient is φ = 23351242.

The previous prime is 23351203. The next prime is 23351249. The reversal of 23351243 is 34215332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23351243 - 2¹⁴ = 23334859 is a prime.

It is not a weakly prime, because it can be changed into another prime (23351249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11675621 + 11675622.

It is an arithmetic number, because the mean of its divisors is an integer number (11675622).

Almost surely, 2^23351243 is an apocalyptic number.

23351243 is a deficient number, since it is larger than the sum of its proper divisors (1).

23351243 is an equidigital number, since it uses as much as digits as its factorization.

23351243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 23351243 is about 4832.3123864254. The cubic root of 23351243 is about 285.8270548779.

Adding to 23351243 its reverse (34215332), we get a palindrome (57566575).

The spelling of 23351243 in words is "twenty-three million, three hundred fifty-one thousand, two hundred forty-three".