123026142455338 has 16 divisors (see below), whose sum is σ = 191285205300000. Its totient is φ = 59272908921072.

The previous prime is 123026142455299. The next prime is 123026142455339. The reversal of 123026142455338 is 833554241620321.

It is a super-2 number, since 2×123026142455338² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123026142455291 and 123026142455300.

It is not an unprimeable number, because it can be changed into a prime (123026142455339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125362228 + ... + 2125420111.

It is an arithmetic number, because the mean of its divisors is an integer number (11955325331250).

Almost surely, 2^{123026142455338} is an apocalyptic number.

123026142455338 is a deficient number, since it is larger than the sum of its proper divisors (68259062844662).

123026142455338 is a wasteful number, since it uses less digits than its factorization.

123026142455338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250782869.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 123026142455338 in words is "one hundred twenty-three trillion, twenty-six billion, one hundred forty-two million, four hundred fifty-five thousand, three hundred thirty-eight".