23231445240037 has 2 divisors, whose sum is σ = 23231445240038. Its totient is φ = 23231445240036.

The previous prime is 23231445239999. The next prime is 23231445240077. The reversal of 23231445240037 is 73004254413232.

It is an a-pointer prime, because the next prime (23231445240077) can be obtained adding 23231445240037 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23187634145316 + 43811094721 = 4815354^2 + 209311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23231445240037 is a prime.

It is a super-2 number, since 2×23231445240037² (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 (23231445240077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615722620018 + 11615722620019.

It is an arithmetic number, because the mean of its divisors is an integer number (11615722620019).

Almost surely, 2^{23231445240037} is an apocalyptic number.

It is an amenable number.

23231445240037 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231445240037 is an equidigital number, since it uses as much as digits as its factorization.

23231445240037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 40.

Adding to 23231445240037 its reverse (73004254413232), we get a palindrome (96235699653269).

The spelling of 23231445240037 in words is "twenty-three trillion, two hundred thirty-one billion, four hundred forty-five million, two hundred forty thousand, thirty-seven".