202310222020123 has 12 divisors (see below), whose sum is σ = 235462337375832. Its totient is φ = 173318959080960.

The previous prime is 202310222020121. The next prime is 202310222020243. The reversal of 202310222020123 is 321020222013202.

It is not a de Polignac number, because 202310222020123 - 2¹ = 202310222020121 is a prime.

It is a super-2 number, since 2×202310222020123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202310222020094 and 202310222020103.

It is not an unprimeable number, because it can be changed into a prime (202310222020121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1068983590 + ... + 1069172827.

It is an arithmetic number, because the mean of its divisors is an integer number (19621861447986).

Almost surely, 2^{202310222020123} is an apocalyptic number.

202310222020123 is a deficient number, since it is larger than the sum of its proper divisors (33152115355709).

202310222020123 is a wasteful number, since it uses less digits than its factorization.

202310222020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138158362 (or 2138158355 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202310222020123 its reverse (321020222013202), we get a palindrome (523330444033325).

The spelling of 202310222020123 in words is "two hundred two trillion, three hundred ten billion, two hundred twenty-two million, twenty thousand, one hundred twenty-three".