1373620523 has 24 divisors (see below), whose sum is σ = 1624431600. Its totient is φ = 1150925760.

The previous prime is 1373620517. The next prime is 1373620531. The reversal of 1373620523 is 3250263731.

It is not a de Polignac number, because 1373620523 - 2⁸ = 1373620267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1373620523.

It is not an unprimeable number, because it can be changed into a prime (1373628523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142253 + ... + 151601.

It is an arithmetic number, because the mean of its divisors is an integer number (67684650).

Almost surely, 2^1373620523 is an apocalyptic number.

1373620523 is a deficient number, since it is larger than the sum of its proper divisors (250811077).

1373620523 is a wasteful number, since it uses less digits than its factorization.

1373620523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435 (or 9416 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 1373620523 is about 37062.3869037060. The cubic root of 1373620523 is about 1111.6180506267.

The spelling of 1373620523 in words is "one billion, three hundred seventy-three million, six hundred twenty thousand, five hundred twenty-three".