123001341215535 has 40 divisors (see below), whose sum is σ = 222551959511376. Its totient is φ = 64987624494720.

The previous prime is 123001341215521. The next prime is 123001341215549. The reversal of 123001341215535 is 535512143100321.

It is a happy number.

123001341215535 is a `hidden beast` number, since 1 + 2 + 30 + 0 + 13 + 41 + 21 + 553 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (123001341215521) and next prime (123001341215549).

It is not a de Polignac number, because 123001341215535 - 2⁶ = 123001341215471 is a prime.

It is a super-2 number, since 2×123001341215535² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123001341215535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1419148326 + ... + 1419234995.

Almost surely, 2^{123001341215535} is an apocalyptic number.

123001341215535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123001341215535 is a deficient number, since it is larger than the sum of its proper divisors (99550618295841).

123001341215535 is a wasteful number, since it uses less digits than its factorization.

123001341215535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838383445 (or 2838383436 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 123001341215535 its reverse (535512143100321), we get a palindrome (658513484315856).

The spelling of 123001341215535 in words is "one hundred twenty-three trillion, one billion, three hundred forty-one million, two hundred fifteen thousand, five hundred thirty-five".