23490553277 has 2 divisors, whose sum is σ = 23490553278. Its totient is φ = 23490553276.

The previous prime is 23490553253. The next prime is 23490553297. The reversal of 23490553277 is 77235509432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18940915876 + 4549637401 = 137626^2 + 67451^2 .

It is a cyclic number.

It is not a de Polignac number, because 23490553277 - 2⁶ = 23490553213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23490553217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11745276638 + 11745276639.

It is an arithmetic number, because the mean of its divisors is an integer number (11745276639).

Almost surely, 2^23490553277 is an apocalyptic number.

It is an amenable number.

23490553277 is a deficient number, since it is larger than the sum of its proper divisors (1).

23490553277 is an equidigital number, since it uses as much as digits as its factorization.

23490553277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 23490553277 in words is "twenty-three billion, four hundred ninety million, five hundred fifty-three thousand, two hundred seventy-seven".