23854384349 has 2 divisors, whose sum is σ = 23854384350. Its totient is φ = 23854384348.

The previous prime is 23854384331. The next prime is 23854384363. The reversal of 23854384349 is 94348345832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12252940249 + 11601444100 = 110693^2 + 107710^2 .

It is a cyclic number.

It is not a de Polignac number, because 23854384349 - 2²⁴ = 23837607133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23854384349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23854380349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11927192174 + 11927192175.

It is an arithmetic number, because the mean of its divisors is an integer number (11927192175).

Almost surely, 2^23854384349 is an apocalyptic number.

It is an amenable number.

23854384349 is a deficient number, since it is larger than the sum of its proper divisors (1).

23854384349 is an equidigital number, since it uses as much as digits as its factorization.

23854384349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 53.

The spelling of 23854384349 in words is "twenty-three billion, eight hundred fifty-four million, three hundred eighty-four thousand, three hundred forty-nine".