123354131 has 2 divisors, whose sum is σ = 123354132. Its totient is φ = 123354130.

The previous prime is 123354109. The next prime is 123354149. The reversal of 123354131 is 131453321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123354131 - 2⁶ = 123354067 is a prime.

It is a super-2 number, since 2×123354131² = 30432483269530322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 123354097 and 123354106.

It is not a weakly prime, because it can be changed into another prime (123354151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61677065 + 61677066.

It is an arithmetic number, because the mean of its divisors is an integer number (61677066).

Almost surely, 2^123354131 is an apocalyptic number.

123354131 is a deficient number, since it is larger than the sum of its proper divisors (1).

123354131 is an equidigital number, since it uses as much as digits as its factorization.

123354131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 123354131 is about 11106.4904897992. The cubic root of 123354131 is about 497.7958053304.

The spelling of 123354131 in words is "one hundred twenty-three million, three hundred fifty-four thousand, one hundred thirty-one".