30523021053293 has 2 divisors, whose sum is σ = 30523021053294. Its totient is φ = 30523021053292.

The previous prime is 30523021053241. The next prime is 30523021053379. The reversal of 30523021053293 is 39235012032503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28374137720644 + 2148883332649 = 5326738^2 + 1465907^2 .

It is a cyclic number.

It is not a de Polignac number, because 30523021053293 - 2⁶ = 30523021053229 is a prime.

It is a super-2 number, since 2×30523021053293² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30523021053893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261510526646 + 15261510526647.

It is an arithmetic number, because the mean of its divisors is an integer number (15261510526647).

Almost surely, 2^{30523021053293} is an apocalyptic number.

It is an amenable number.

30523021053293 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523021053293 is an equidigital number, since it uses as much as digits as its factorization.

30523021053293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 38.

Adding to 30523021053293 its reverse (39235012032503), we get a palindrome (69758033085796).

The spelling of 30523021053293 in words is "thirty trillion, five hundred twenty-three billion, twenty-one million, fifty-three thousand, two hundred ninety-three".