2378172403 has 2 divisors, whose sum is σ = 2378172404. Its totient is φ = 2378172402.

The previous prime is 2378172397. The next prime is 2378172439. The reversal of 2378172403 is 3042718732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2378172403 - 2⁵ = 2378172371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2378172493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189086201 + 1189086202.

It is an arithmetic number, because the mean of its divisors is an integer number (1189086202).

Almost surely, 2^2378172403 is an apocalyptic number.

2378172403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378172403 is an equidigital number, since it uses as much as digits as its factorization.

2378172403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 2378172403 is about 48766.5090302761. The cubic root of 2378172403 is about 1334.7946123640.

The spelling of 2378172403 in words is "two billion, three hundred seventy-eight million, one hundred seventy-two thousand, four hundred three".