123041103021145 has 8 divisors (see below), whose sum is σ = 147651927413256. Its totient is φ = 98431146558336.

The previous prime is 123041103021091. The next prime is 123041103021169. The reversal of 123041103021145 is 541120301140321.

It can be written as a sum of positive squares in 4 ways, for example, as 23970453697369 + 99070649323776 = 4895963^2 + 9953424^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123041103021145 - 2¹³ = 123041103012953 is a prime.

It is a super-2 number, since 2×123041103021145² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216670402 + ... + 217237531.

It is an arithmetic number, because the mean of its divisors is an integer number (18456490926657).

Almost surely, 2^{123041103021145} is an apocalyptic number.

It is an amenable number.

123041103021145 is a deficient number, since it is larger than the sum of its proper divisors (24610824392111).

123041103021145 is an equidigital number, since it uses as much as digits as its factorization.

123041103021145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433964651.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 123041103021145 its reverse (541120301140321), we get a palindrome (664161404161466).

The spelling of 123041103021145 in words is "one hundred twenty-three trillion, forty-one billion, one hundred three million, twenty-one thousand, one hundred forty-five".