378302123 has 2 divisors, whose sum is σ = 378302124. Its totient is φ = 378302122.

The previous prime is 378302101. The next prime is 378302143. The reversal of 378302123 is 321203873.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378302123 is a prime.

It is a super-2 number, since 2×378302123² = 286224992532614258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (378302143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189151061 + 189151062.

It is an arithmetic number, because the mean of its divisors is an integer number (189151062).

Almost surely, 2^378302123 is an apocalyptic number.

378302123 is a deficient number, since it is larger than the sum of its proper divisors (1).

378302123 is an equidigital number, since it uses as much as digits as its factorization.

378302123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 378302123 is about 19449.9903084809. The cubic root of 378302123 is about 723.2352627180.

Adding to 378302123 its reverse (321203873), we get a palindrome (699505996).

The spelling of 378302123 in words is "three hundred seventy-eight million, three hundred two thousand, one hundred twenty-three".