22478607900523 has 2 divisors, whose sum is σ = 22478607900524. Its totient is φ = 22478607900522.

The previous prime is 22478607900503. The next prime is 22478607900571. The reversal of 22478607900523 is 32500970687422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22478607900523 is a prime.

It is not a weakly prime, because it can be changed into another prime (22478607900503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11239303950261 + 11239303950262.

It is an arithmetic number, because the mean of its divisors is an integer number (11239303950262).

Almost surely, 2^{22478607900523} is an apocalyptic number.

22478607900523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22478607900523 is an equidigital number, since it uses as much as digits as its factorization.

22478607900523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 22478607900523 in words is "twenty-two trillion, four hundred seventy-eight billion, six hundred seven million, nine hundred thousand, five hundred twenty-three".