23433423437 has 2 divisors, whose sum is σ = 23433423438. Its totient is φ = 23433423436.

The previous prime is 23433423401. The next prime is 23433423487. The reversal of 23433423437 is 73432433432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23216921641 + 216501796 = 152371^2 + 14714^2 .

It is a cyclic number.

It is not a de Polignac number, because 23433423437 - 2²⁴ = 23416646221 is a prime.

It is a super-3 number, since 3×23433423437³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23433423437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23433423487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716711718 + 11716711719.

It is an arithmetic number, because the mean of its divisors is an integer number (11716711719).

Almost surely, 2^23433423437 is an apocalyptic number.

It is an amenable number.

23433423437 is a deficient number, since it is larger than the sum of its proper divisors (1).

23433423437 is an equidigital number, since it uses as much as digits as its factorization.

23433423437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 38.

Adding to 23433423437 its reverse (73432433432), we get a palindrome (96865856869).

The spelling of 23433423437 in words is "twenty-three billion, four hundred thirty-three million, four hundred twenty-three thousand, four hundred thirty-seven".