2209378291323 has 32 divisors (see below), whose sum is σ = 3368874442752. Its totient is φ = 1261676196000.

The previous prime is 2209378291303. The next prime is 2209378291327. The reversal of 2209378291323 is 3231928739022.

It is a happy number.

It is not a de Polignac number, because 2209378291323 - 2¹⁸ = 2209378029179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2209378291327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337254898 + ... + 337261448.

It is an arithmetic number, because the mean of its divisors is an integer number (105277326336).

Almost surely, 2^{2209378291323} is an apocalyptic number.

2209378291323 is a deficient number, since it is larger than the sum of its proper divisors (1159496151429).

2209378291323 is a wasteful number, since it uses less digits than its factorization.

2209378291323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14615.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 2209378291323 in words is "two trillion, two hundred nine billion, three hundred seventy-eight million, two hundred ninety-one thousand, three hundred twenty-three".