23225403420511 has 2 divisors, whose sum is σ = 23225403420512. Its totient is φ = 23225403420510.

The previous prime is 23225403420503. The next prime is 23225403420581. The reversal of 23225403420511 is 11502430452232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23225403420511 - 2³ = 23225403420503 is a prime.

It is a super-2 number, since 2×23225403420511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23225403420581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612701710255 + 11612701710256.

It is an arithmetic number, because the mean of its divisors is an integer number (11612701710256).

Almost surely, 2^{23225403420511} is an apocalyptic number.

23225403420511 is a deficient number, since it is larger than the sum of its proper divisors (1).

23225403420511 is an equidigital number, since it uses as much as digits as its factorization.

23225403420511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 23225403420511 its reverse (11502430452232), we get a palindrome (34727833872743).

The spelling of 23225403420511 in words is "twenty-three trillion, two hundred twenty-five billion, four hundred three million, four hundred twenty thousand, five hundred eleven".