23046278449 has 2 divisors, whose sum is σ = 23046278450. Its totient is φ = 23046278448.

The previous prime is 23046278419. The next prime is 23046278539. The reversal of 23046278449 is 94487264032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12368776225 + 10677502224 = 111215^2 + 103332^2 .

It is a cyclic number.

It is not a de Polignac number, because 23046278449 - 2⁹ = 23046277937 is a prime.

It is a super-2 number, since 2×23046278449² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23046278419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11523139224 + 11523139225.

It is an arithmetic number, because the mean of its divisors is an integer number (11523139225).

Almost surely, 2^23046278449 is an apocalyptic number.

It is an amenable number.

23046278449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23046278449 is an equidigital number, since it uses as much as digits as its factorization.

23046278449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 23046278449 in words is "twenty-three billion, forty-six million, two hundred seventy-eight thousand, four hundred forty-nine".