123013203141541 has 4 divisors (see below), whose sum is σ = 123014195523532. Its totient is φ = 123012210759552.

The previous prime is 123013203141511. The next prime is 123013203141599. The reversal of 123013203141541 is 145141302310321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37733426704516 + 85279776437025 = 6142754^2 + 9234705^2 .

It is a cyclic number.

It is not a de Polignac number, because 123013203141541 - 2³⁵ = 122978843403173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013203141511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496005036 + ... + 496252981.

It is an arithmetic number, because the mean of its divisors is an integer number (30753548880883).

Almost surely, 2^{123013203141541} is an apocalyptic number.

It is an amenable number.

123013203141541 is a deficient number, since it is larger than the sum of its proper divisors (992381991).

123013203141541 is an equidigital number, since it uses as much as digits as its factorization.

123013203141541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992381990.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 123013203141541 its reverse (145141302310321), we get a palindrome (268154505451862).

The spelling of 123013203141541 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred forty-one thousand, five hundred forty-one".