20232156650473 has 2 divisors, whose sum is σ = 20232156650474. Its totient is φ = 20232156650472.

The previous prime is 20232156650449. The next prime is 20232156650491. The reversal of 20232156650473 is 37405665123202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12776242425769 + 7455914224704 = 3574387^2 + 2730552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20232156650473 is a prime.

It is a super-2 number, since 2×20232156650473² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20232156650443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116078325236 + 10116078325237.

It is an arithmetic number, because the mean of its divisors is an integer number (10116078325237).

Almost surely, 2^{20232156650473} is an apocalyptic number.

It is an amenable number.

20232156650473 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232156650473 is an equidigital number, since it uses as much as digits as its factorization.

20232156650473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 20232156650473 in words is "twenty trillion, two hundred thirty-two billion, one hundred fifty-six million, six hundred fifty thousand, four hundred seventy-three".