378053623 has 2 divisors, whose sum is σ = 378053624. Its totient is φ = 378053622.

The previous prime is 378053603. The next prime is 378053639. The reversal of 378053623 is 326350873.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378053623 is a prime.

It is a super-2 number, since 2×378053623² = 285849083726852258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378053603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189026811 + 189026812.

It is an arithmetic number, because the mean of its divisors is an integer number (189026812).

Almost surely, 2^378053623 is an apocalyptic number.

378053623 is a deficient number, since it is larger than the sum of its proper divisors (1).

378053623 is an equidigital number, since it uses as much as digits as its factorization.

378053623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 378053623 is about 19443.6010810755. The cubic root of 378053623 is about 723.0768678631.

The spelling of 378053623 in words is "three hundred seventy-eight million, fifty-three thousand, six hundred twenty-three".