15530100023 has 2 divisors, whose sum is σ = 15530100024. Its totient is φ = 15530100022.

The previous prime is 15530099999. The next prime is 15530100059. The reversal of 15530100023 is 32000103551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15530100023 - 2²² = 15525905719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15530099968 and 15530100004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15530100073) 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, 7765050011 + 7765050012.

It is an arithmetic number, because the mean of its divisors is an integer number (7765050012).

Almost surely, 2^15530100023 is an apocalyptic number.

15530100023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530100023 is an equidigital number, since it uses as much as digits as its factorization.

15530100023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 15530100023 its reverse (32000103551), we get a palindrome (47530203574).

The spelling of 15530100023 in words is "fifteen billion, five hundred thirty million, one hundred thousand, twenty-three".