1023001323122 has 4 divisors (see below), whose sum is σ = 1534501984686. Its totient is φ = 511500661560.

The previous prime is 1023001323109. The next prime is 1023001323137. The reversal of 1023001323122 is 2213231003201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 720293387401 + 302707935721 = 848701^2 + 550189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023001323094 and 1023001323103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255750330779 + ... + 255750330782.

Almost surely, 2^{1023001323122} is an apocalyptic number.

1023001323122 is a deficient number, since it is larger than the sum of its proper divisors (511500661564).

1023001323122 is an equidigital number, since it uses as much as digits as its factorization.

1023001323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511500661563.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1023001323122 its reverse (2213231003201), we get a palindrome (3236232326323).

The spelling of 1023001323122 in words is "one trillion, twenty-three billion, one million, three hundred twenty-three thousand, one hundred twenty-two".