23450402237 has 2 divisors, whose sum is σ = 23450402238. Its totient is φ = 23450402236.

The previous prime is 23450402219. The next prime is 23450402267. The reversal of 23450402237 is 73220405432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17099746756 + 6350655481 = 130766^2 + 79691^2 .

It is a cyclic number.

It is not a de Polignac number, because 23450402237 - 2¹⁰ = 23450401213 is a prime.

It is a super-3 number, since 3×23450402237³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23450402267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725201118 + 11725201119.

It is an arithmetic number, because the mean of its divisors is an integer number (11725201119).

Almost surely, 2^23450402237 is an apocalyptic number.

It is an amenable number.

23450402237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23450402237 is an equidigital number, since it uses as much as digits as its factorization.

23450402237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 32.

Adding to 23450402237 its reverse (73220405432), we get a palindrome (96670807669).

The spelling of 23450402237 in words is "twenty-three billion, four hundred fifty million, four hundred two thousand, two hundred thirty-seven".