355112123 has 2 divisors, whose sum is σ = 355112124. Its totient is φ = 355112122.

The previous prime is 355112101. The next prime is 355112141. The reversal of 355112123 is 321211553.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 355112123 - 2⁶ = 355112059 is a prime.

It is a super-2 number, since 2×355112123² = 252209239803134258, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (355112143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177556061 + 177556062.

It is an arithmetic number, because the mean of its divisors is an integer number (177556062).

Almost surely, 2^355112123 is an apocalyptic number.

355112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

355112123 is an equidigital number, since it uses as much as digits as its factorization.

355112123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 23.

The square root of 355112123 is about 18844.4188819926. The cubic root of 355112123 is about 708.1444127252.

Adding to 355112123 its reverse (321211553), we get a palindrome (676323676).

The spelling of 355112123 in words is "three hundred fifty-five million, one hundred twelve thousand, one hundred twenty-three".