23421527837 has 2 divisors, whose sum is σ = 23421527838. Its totient is φ = 23421527836.

The previous prime is 23421527803. The next prime is 23421527851. The reversal of 23421527837 is 73872512432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22016327641 + 1405200196 = 148379^2 + 37486^2 .

It is a cyclic number.

It is not a de Polignac number, because 23421527837 - 2⁸ = 23421527581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23421527887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710763918 + 11710763919.

It is an arithmetic number, because the mean of its divisors is an integer number (11710763919).

Almost surely, 2^23421527837 is an apocalyptic number.

It is an amenable number.

23421527837 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421527837 is an equidigital number, since it uses as much as digits as its factorization.

23421527837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 44.

The spelling of 23421527837 in words is "twenty-three billion, four hundred twenty-one million, five hundred twenty-seven thousand, eight hundred thirty-seven".