23017406449 has 2 divisors, whose sum is σ = 23017406450. Its totient is φ = 23017406448.

The previous prime is 23017406407. The next prime is 23017406453. The reversal of 23017406449 is 94460471032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17639824225 + 5377582224 = 132815^2 + 73332^2 .

It is a cyclic number.

It is not a de Polignac number, because 23017406449 - 2¹⁵ = 23017373681 is a prime.

It is not a weakly prime, because it can be changed into another prime (23017406249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11508703224 + 11508703225.

It is an arithmetic number, because the mean of its divisors is an integer number (11508703225).

Almost surely, 2^23017406449 is an apocalyptic number.

It is an amenable number.

23017406449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23017406449 is an equidigital number, since it uses as much as digits as its factorization.

23017406449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 23017406449 in words is "twenty-three billion, seventeen million, four hundred six thousand, four hundred forty-nine".