1523132103223 has 4 divisors (see below), whose sum is σ = 1523140278408. Its totient is φ = 1523123928040.

The previous prime is 1523132103211. The next prime is 1523132103247. The reversal of 1523132103223 is 3223012313251.

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 1523132103223 - 2⁹ = 1523132102711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1523132103191 and 1523132103200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523132103293) 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, 3801448 + ... + 4182973.

It is an arithmetic number, because the mean of its divisors is an integer number (380785069602).

Almost surely, 2^{1523132103223} is an apocalyptic number.

1523132103223 is a deficient number, since it is larger than the sum of its proper divisors (8175185).

1523132103223 is an equidigital number, since it uses as much as digits as its factorization.

1523132103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8175184.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 1523132103223 its reverse (3223012313251), we get a palindrome (4746144416474).

The spelling of 1523132103223 in words is "one trillion, five hundred twenty-three billion, one hundred thirty-two million, one hundred three thousand, two hundred twenty-three".