23243434237 has 2 divisors, whose sum is σ = 23243434238. Its totient is φ = 23243434236.

The previous prime is 23243434219. The next prime is 23243434259. The reversal of 23243434237 is 73243434232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15955226596 + 7288207641 = 126314^2 + 85371^2 .

It is a cyclic number.

It is not a de Polignac number, because 23243434237 - 2¹⁵ = 23243401469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23243434196 and 23243434205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23243434337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621717118 + 11621717119.

It is an arithmetic number, because the mean of its divisors is an integer number (11621717119).

Almost surely, 2^23243434237 is an apocalyptic number.

It is an amenable number.

23243434237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23243434237 is an equidigital number, since it uses as much as digits as its factorization.

23243434237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 37.

Adding to 23243434237 its reverse (73243434232), we get a palindrome (96486868469).

The spelling of 23243434237 in words is "twenty-three billion, two hundred forty-three million, four hundred thirty-four thousand, two hundred thirty-seven".