137232237523 has 2 divisors, whose sum is σ = 137232237524. Its totient is φ = 137232237522.

The previous prime is 137232237521. The next prime is 137232237533. The reversal of 137232237523 is 325732232731.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (325732232731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137232237523 - 2¹ = 137232237521 is a prime.

It is a super-3 number, since 3×137232237523³ (a number of 34 digits) contains 333 as substring.

Together with 137232237521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (137232237521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68616118761 + 68616118762.

It is an arithmetic number, because the mean of its divisors is an integer number (68616118762).

Almost surely, 2^137232237523 is an apocalyptic number.

137232237523 is a deficient number, since it is larger than the sum of its proper divisors (1).

137232237523 is an equidigital number, since it uses as much as digits as its factorization.

137232237523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 40.

The spelling of 137232237523 in words is "one hundred thirty-seven billion, two hundred thirty-two million, two hundred thirty-seven thousand, five hundred twenty-three".