23154020237 has 2 divisors, whose sum is σ = 23154020238. Its totient is φ = 23154020236.

The previous prime is 23154020233. The next prime is 23154020251. The reversal of 23154020237 is 73202045132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11589383716 + 11564636521 = 107654^2 + 107539^2 .

It is a cyclic number.

It is not a de Polignac number, because 23154020237 - 2² = 23154020233 is a prime.

It is a super-2 number, since 2×23154020237² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23154020233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577010118 + 11577010119.

It is an arithmetic number, because the mean of its divisors is an integer number (11577010119).

Almost surely, 2^23154020237 is an apocalyptic number.

It is an amenable number.

23154020237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23154020237 is an equidigital number, since it uses as much as digits as its factorization.

23154020237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 23154020237 its reverse (73202045132), we get a palindrome (96356065369).

The spelling of 23154020237 in words is "twenty-three billion, one hundred fifty-four million, twenty thousand, two hundred thirty-seven".