23402632849 has 2 divisors, whose sum is σ = 23402632850. Its totient is φ = 23402632848.

The previous prime is 23402632829. The next prime is 23402632879. The reversal of 23402632849 is 94823620432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15982016400 + 7420616449 = 126420^2 + 86143^2 .

It is a cyclic number.

It is not a de Polignac number, because 23402632849 - 2⁵ = 23402632817 is a prime.

It is not a weakly prime, because it can be changed into another prime (23402632829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701316424 + 11701316425.

It is an arithmetic number, because the mean of its divisors is an integer number (11701316425).

Almost surely, 2^23402632849 is an apocalyptic number.

It is an amenable number.

23402632849 is a deficient number, since it is larger than the sum of its proper divisors (1).

23402632849 is an equidigital number, since it uses as much as digits as its factorization.

23402632849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 23402632849 in words is "twenty-three billion, four hundred two million, six hundred thirty-two thousand, eight hundred forty-nine".