1383690123 has 12 divisors (see below), whose sum is σ = 1999074168. Its totient is φ = 922270560.

The previous prime is 1383690109. The next prime is 1383690131. The reversal of 1383690123 is 3210963831.

It is not a de Polignac number, because 1383690123 - 2⁶ = 1383690059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1383690323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41311 + ... + 66887.

It is an arithmetic number, because the mean of its divisors is an integer number (166589514).

Almost surely, 2^1383690123 is an apocalyptic number.

1383690123 is a deficient number, since it is larger than the sum of its proper divisors (615384045).

1383690123 is a wasteful number, since it uses less digits than its factorization.

1383690123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31594 (or 31591 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1383690123 is about 37197.9854696461. The cubic root of 1383690123 is about 1114.3277528589.

The spelling of 1383690123 in words is "one billion, three hundred eighty-three million, six hundred ninety thousand, one hundred twenty-three".