1021423534322 has 4 divisors (see below), whose sum is σ = 1532135301486. Its totient is φ = 510711767160.

The previous prime is 1021423534303. The next prime is 1021423534349. The reversal of 1021423534322 is 2234353241201.

1021423534322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 974443405321 + 46980129001 = 987139^2 + 216749^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255355883579 + ... + 255355883582.

Almost surely, 2^{1021423534322} is an apocalyptic number.

1021423534322 is a deficient number, since it is larger than the sum of its proper divisors (510711767164).

1021423534322 is an equidigital number, since it uses as much as digits as its factorization.

1021423534322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510711767163.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1021423534322 its reverse (2234353241201), we get a palindrome (3255776775523).

The spelling of 1021423534322 in words is "one trillion, twenty-one billion, four hundred twenty-three million, five hundred thirty-four thousand, three hundred twenty-two".