1023123310122 has 16 divisors (see below), whose sum is σ = 2076787615392. Its totient is φ = 335950937520.

The previous prime is 1023123310103. The next prime is 1023123310171. The reversal of 1023123310122 is 2210133213201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272541029 + ... + 1272541832.

It is an arithmetic number, because the mean of its divisors is an integer number (129799225962).

Almost surely, 2^{1023123310122} is an apocalyptic number.

1023123310122 is an abundant number, since it is smaller than the sum of its proper divisors (1053664305270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023123310122 is a wasteful number, since it uses less digits than its factorization.

1023123310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545082933.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1023123310122 its reverse (2210133213201), we get a palindrome (3233256523323).

The spelling of 1023123310122 in words is "one trillion, twenty-three billion, one hundred twenty-three million, three hundred ten thousand, one hundred twenty-two".