10323440016505 has 32 divisors (see below), whose sum is σ = 15604165059840. Its totient is φ = 6369046917120.

The previous prime is 10323440016493. The next prime is 10323440016517. The reversal of 10323440016505 is 50561004432301.

It is an interprime number because it is at equal distance from previous prime (10323440016493) and next prime (10323440016517).

It is not a de Polignac number, because 10323440016505 - 2¹³ = 10323440008313 is a prime.

It is a super-3 number, since 3×10323440016505³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138179820 + ... + 138254509.

It is an arithmetic number, because the mean of its divisors is an integer number (487630158120).

Almost surely, 2^{10323440016505} is an apocalyptic number.

It is an amenable number.

10323440016505 is a deficient number, since it is larger than the sum of its proper divisors (5280725043335).

10323440016505 is a wasteful number, since it uses less digits than its factorization.

10323440016505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276434449.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 10323440016505 its reverse (50561004432301), we get a palindrome (60884444448806).

The spelling of 10323440016505 in words is "ten trillion, three hundred twenty-three billion, four hundred forty million, sixteen thousand, five hundred five".