2123151210203 has 8 divisors (see below), whose sum is σ = 2366360482320. Its totient is φ = 1893088385280.

The previous prime is 2123151210199. The next prime is 2123151210253. The reversal of 2123151210203 is 3020121513212.

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

It is a cyclic number.

It is not a de Polignac number, because 2123151210203 - 2² = 2123151210199 is a prime.

It is a super-2 number, since 2×2123151210203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123151210253) 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, 3286611458 + ... + 3286612103.

It is an arithmetic number, because the mean of its divisors is an integer number (295795060290).

Almost surely, 2^{2123151210203} is an apocalyptic number.

2123151210203 is a deficient number, since it is larger than the sum of its proper divisors (243209272117).

2123151210203 is a wasteful number, since it uses less digits than its factorization.

2123151210203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573223597.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 2123151210203 its reverse (3020121513212), we get a palindrome (5143272723415).

The spelling of 2123151210203 in words is "two trillion, one hundred twenty-three billion, one hundred fifty-one million, two hundred ten thousand, two hundred three".