123738983 has 2 divisors, whose sum is σ = 123738984. Its totient is φ = 123738982.

The previous prime is 123738961. The next prime is 123739003. The reversal of 123738983 is 389837321.

It is a strong prime.

It is an emirp because it is prime and its reverse (389837321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123738983 - 2¹⁶ = 123673447 is a prime.

It is a super-2 number, since 2×123738983² = 30622671827748578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123734983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61869491 + 61869492.

It is an arithmetic number, because the mean of its divisors is an integer number (61869492).

Almost surely, 2^123738983 is an apocalyptic number.

123738983 is a deficient number, since it is larger than the sum of its proper divisors (1).

123738983 is an equidigital number, since it uses as much as digits as its factorization.

123738983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 123738983 is about 11123.8025422964. The cubic root of 123738983 is about 498.3129581818.

The spelling of 123738983 in words is "one hundred twenty-three million, seven hundred thirty-eight thousand, nine hundred eighty-three".