90013012103123 has 4 divisors (see below), whose sum is σ = 90197843750640. Its totient is φ = 89828180455608.

The previous prime is 90013012103107. The next prime is 90013012103129. The reversal of 90013012103123 is 32130121031009.

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

It is a cyclic number.

It is not a de Polignac number, because 90013012103123 - 2⁴ = 90013012103107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90013012103092 and 90013012103101.

It is not an unprimeable number, because it can be changed into a prime (90013012103129) 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, 92415823028 + ... + 92415824001.

It is an arithmetic number, because the mean of its divisors is an integer number (22549460937660).

Almost surely, 2^{90013012103123} is an apocalyptic number.

90013012103123 is a deficient number, since it is larger than the sum of its proper divisors (184831647517).

90013012103123 is a wasteful number, since it uses less digits than its factorization.

90013012103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184831647516.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 90013012103123 in words is "ninety trillion, thirteen billion, twelve million, one hundred three thousand, one hundred twenty-three".