123550025143401 has 32 divisors (see below), whose sum is σ = 183895253942400. Its totient is φ = 81981268084800.

The previous prime is 123550025143393. The next prime is 123550025143463. The reversal of 123550025143401 is 104341520055321.

123550025143401 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 500 + 2 + 5 + 143 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 123550025143401 - 2³ = 123550025143393 is a prime.

It is a super-2 number, since 2×123550025143401² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123550025143001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4820866 + ... + 16442043.

It is an arithmetic number, because the mean of its divisors is an integer number (5746726685700).

Almost surely, 2^{123550025143401} is an apocalyptic number.

It is an amenable number.

123550025143401 is a deficient number, since it is larger than the sum of its proper divisors (60345228798999).

123550025143401 is a wasteful number, since it uses less digits than its factorization.

123550025143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263926 (or 21263920 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 123550025143401 its reverse (104341520055321), we get a palindrome (227891545198722).

The spelling of 123550025143401 in words is "one hundred twenty-three trillion, five hundred fifty billion, twenty-five million, one hundred forty-three thousand, four hundred one".