1383626123 has 4 divisors (see below), whose sum is σ = 1509410328. Its totient is φ = 1257841920.

The previous prime is 1383626119. The next prime is 1383626143. The reversal of 1383626123 is 3216263831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3216263831 = 11 ⋅292387621.

It is a cyclic number.

It is not a de Polignac number, because 1383626123 - 2² = 1383626119 is a prime.

It is a super-2 number, since 2×1383626123² = 3828842496496022258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383626143) 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, 62892086 + ... + 62892107.

It is an arithmetic number, because the mean of its divisors is an integer number (377352582).

Almost surely, 2^1383626123 is an apocalyptic number.

1383626123 is a deficient number, since it is larger than the sum of its proper divisors (125784205).

1383626123 is a wasteful number, since it uses less digits than its factorization.

1383626123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125784204.

The product of its digits is 31104, while the sum is 35.

The square root of 1383626123 is about 37197.1251980580. The cubic root of 1383626123 is about 1114.3105722116.

Adding to 1383626123 its reverse (3216263831), we get a palindrome (4599889954).

The spelling of 1383626123 in words is "one billion, three hundred eighty-three million, six hundred twenty-six thousand, one hundred twenty-three".