2156350423227 has 64 divisors (see below), whose sum is σ = 3860609679360. Its totient is φ = 1033936502400.

The previous prime is 2156350423193. The next prime is 2156350423247. The reversal of 2156350423227 is 7223240536512.

It is not a de Polignac number, because 2156350423227 - 2⁷ = 2156350423099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2156350423247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71693602 + ... + 71723672.

It is an arithmetic number, because the mean of its divisors is an integer number (60322026240).

Almost surely, 2^{2156350423227} is an apocalyptic number.

2156350423227 is a deficient number, since it is larger than the sum of its proper divisors (1704259256133).

2156350423227 is a wasteful number, since it uses less digits than its factorization.

2156350423227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53984.

The product of its (nonzero) digits is 604800, while the sum is 42.

Adding to 2156350423227 its reverse (7223240536512), we get a palindrome (9379590959739).

The spelling of 2156350423227 in words is "two trillion, one hundred fifty-six billion, three hundred fifty million, four hundred twenty-three thousand, two hundred twenty-seven".