23378872553 has 2 divisors, whose sum is σ = 23378872554. Its totient is φ = 23378872552.

The previous prime is 23378872547. The next prime is 23378872567. The reversal of 23378872553 is 35527887332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22526407744 + 852464809 = 150088^2 + 29197^2 .

It is a cyclic number.

It is not a de Polignac number, because 23378872553 - 2¹⁴ = 23378856169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23378872495 and 23378872504.

It is not a weakly prime, because it can be changed into another prime (23378872513) 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, 11689436276 + 11689436277.

It is an arithmetic number, because the mean of its divisors is an integer number (11689436277).

Almost surely, 2^23378872553 is an apocalyptic number.

It is an amenable number.

23378872553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23378872553 is an equidigital number, since it uses as much as digits as its factorization.

23378872553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 53.

The spelling of 23378872553 in words is "twenty-three billion, three hundred seventy-eight million, eight hundred seventy-two thousand, five hundred fifty-three".