2155614602423 has 8 divisors (see below), whose sum is σ = 2158556387328. Its totient is φ = 2152674815704.

The previous prime is 2155614602381. The next prime is 2155614602429. The reversal of 2155614602423 is 3242064165512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2155614602423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155614602429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665890 + ... + 2662032.

It is an arithmetic number, because the mean of its divisors is an integer number (269819548416).

Almost surely, 2^{2155614602423} is an apocalyptic number.

2155614602423 is a deficient number, since it is larger than the sum of its proper divisors (2941784905).

2155614602423 is a wasteful number, since it uses less digits than its factorization.

2155614602423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999093.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 2155614602423 its reverse (3242064165512), we get a palindrome (5397678767935).

The spelling of 2155614602423 in words is "two trillion, one hundred fifty-five billion, six hundred fourteen million, six hundred two thousand, four hundred twenty-three".