23238384493 has 2 divisors, whose sum is σ = 23238384494. Its totient is φ = 23238384492.

The previous prime is 23238384469. The next prime is 23238384497. The reversal of 23238384493 is 39448383232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23226674409 + 11710084 = 152403^2 + 3422^2 .

It is a cyclic number.

It is not a de Polignac number, because 23238384493 - 2⁵ = 23238384461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23238384497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11619192246 + 11619192247.

It is an arithmetic number, because the mean of its divisors is an integer number (11619192247).

Almost surely, 2^23238384493 is an apocalyptic number.

It is an amenable number.

23238384493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23238384493 is an equidigital number, since it uses as much as digits as its factorization.

23238384493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 49.

It can be divided in two parts, 2323 and 8384493, that added together give a square (8386816 = 2896²).

The spelling of 23238384493 in words is "twenty-three billion, two hundred thirty-eight million, three hundred eighty-four thousand, four hundred ninety-three".