45213113123 has 4 divisors (see below), whose sum is σ = 45721125720. Its totient is φ = 44705100528.

The previous prime is 45213113119. The next prime is 45213113131. The reversal of 45213113123 is 32131131254.

45213113123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45213113123 - 2² = 45213113119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45213113092 and 45213113101.

It is not an unprimeable number, because it can be changed into a prime (45213113423) 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, 254006165 + ... + 254006342.

It is an arithmetic number, because the mean of its divisors is an integer number (11430281430).

Almost surely, 2^45213113123 is an apocalyptic number.

45213113123 is a deficient number, since it is larger than the sum of its proper divisors (508012597).

45213113123 is an equidigital number, since it uses as much as digits as its factorization.

45213113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508012596.

The product of its digits is 2160, while the sum is 26.

Adding to 45213113123 its reverse (32131131254), we get a palindrome (77344244377).

The spelling of 45213113123 in words is "forty-five billion, two hundred thirteen million, one hundred thirteen thousand, one hundred twenty-three".