123738011 has 2 divisors, whose sum is σ = 123738012. Its totient is φ = 123738010.

The previous prime is 123737969. The next prime is 123738023. The reversal of 123738011 is 110837321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123738011 - 2¹⁸ = 123475867 is a prime.

It is a super-2 number, since 2×123738011² = 30622190732472242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123738031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61869005 + 61869006.

It is an arithmetic number, because the mean of its divisors is an integer number (61869006).

Almost surely, 2^123738011 is an apocalyptic number.

123738011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123738011 is an equidigital number, since it uses as much as digits as its factorization.

123738011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 123738011 is about 11123.7588521147. The cubic root of 123738011 is about 498.3116533883.

The spelling of 123738011 in words is "one hundred twenty-three million, seven hundred thirty-eight thousand, eleven".