1372405273523 has 16 divisors (see below), whose sum is σ = 1437679466496. Its totient is φ = 1307604001440.

The previous prime is 1372405273513. The next prime is 1372405273601. The reversal of 1372405273523 is 3253725042731.

It is a cyclic number.

It is not a de Polignac number, because 1372405273523 - 2¹⁰ = 1372405272499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372405273513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10327286 + ... + 10459332.

It is an arithmetic number, because the mean of its divisors is an integer number (89854966656).

Almost surely, 2^{1372405273523} is an apocalyptic number.

1372405273523 is a deficient number, since it is larger than the sum of its proper divisors (65274192973).

1372405273523 is a wasteful number, since it uses less digits than its factorization.

1372405273523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133834.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 1372405273523 in words is "one trillion, three hundred seventy-two billion, four hundred five million, two hundred seventy-three thousand, five hundred twenty-three".