123103151 has 2 divisors, whose sum is σ = 123103152. Its totient is φ = 123103150.

The previous prime is 123103111. The next prime is 123103157. The reversal of 123103151 is 151301321.

It is a strong prime.

It is an emirp because it is prime and its reverse (151301321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123103151 - 2¹⁴ = 123086767 is a prime.

It is a super-2 number, since 2×123103151² = 30308771572257602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123103157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551575 + 61551576.

It is an arithmetic number, because the mean of its divisors is an integer number (61551576).

Almost surely, 2^123103151 is an apocalyptic number.

123103151 is a deficient number, since it is larger than the sum of its proper divisors (1).

123103151 is an equidigital number, since it uses as much as digits as its factorization.

123103151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 123103151 is about 11095.1859380544. The cubic root of 123103151 is about 497.4579660285.

Adding to 123103151 its reverse (151301321), we get a palindrome (274404472).

The spelling of 123103151 in words is "one hundred twenty-three million, one hundred three thousand, one hundred fifty-one".