13023522628 has 12 divisors (see below), whose sum is σ = 22826724732. Its totient is φ = 6501601280.

The previous prime is 13023522619. The next prime is 13023522637. The reversal of 13023522628 is 82622532031.

It is an interprime number because it is at equal distance from previous prime (13023522619) and next prime (13023522637).

It can be written as a sum of positive squares in 2 ways, for example, as 7023780864 + 5999741764 = 83808^2 + 77458^2 .

It is a super-2 number, since 2×13023522628² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13023522593 and 13023522602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2537125 + ... + 2542252.

It is an arithmetic number, because the mean of its divisors is an integer number (1902227061).

Almost surely, 2^13023522628 is an apocalyptic number.

It is an amenable number.

13023522628 is a deficient number, since it is larger than the sum of its proper divisors (9803202104).

13023522628 is a wasteful number, since it uses less digits than its factorization.

13023522628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080022 (or 5080020 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 13023522628 in words is "thirteen billion, twenty-three million, five hundred twenty-two thousand, six hundred twenty-eight".