23103999553 has 2 divisors, whose sum is σ = 23103999554. Its totient is φ = 23103999552.

The previous prime is 23103999539. The next prime is 23103999619. The reversal of 23103999553 is 35599930132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21556993329 + 1547006224 = 146823^2 + 39332^2 .

It is a cyclic number.

It is not a de Polignac number, because 23103999553 - 2²¹ = 23101902401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23103999497 and 23103999506.

It is not a weakly prime, because it can be changed into another prime (23103994553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551999776 + 11551999777.

It is an arithmetic number, because the mean of its divisors is an integer number (11551999777).

Almost surely, 2^23103999553 is an apocalyptic number.

It is an amenable number.

23103999553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103999553 is an equidigital number, since it uses as much as digits as its factorization.

23103999553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 984150, while the sum is 49.

The spelling of 23103999553 in words is "twenty-three billion, one hundred three million, nine hundred ninety-nine thousand, five hundred fifty-three".