231337453 has 2 divisors, whose sum is σ = 231337454. Its totient is φ = 231337452.

The previous prime is 231337429. The next prime is 231337471. The reversal of 231337453 is 354733132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136118889 + 95218564 = 11667^2 + 9758^2 .

It is a cyclic number.

It is not a de Polignac number, because 231337453 - 2¹³ = 231329261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231337153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115668726 + 115668727.

It is an arithmetic number, because the mean of its divisors is an integer number (115668727).

Almost surely, 2^231337453 is an apocalyptic number.

It is an amenable number.

231337453 is a deficient number, since it is larger than the sum of its proper divisors (1).

231337453 is an equidigital number, since it uses as much as digits as its factorization.

231337453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 31.

The square root of 231337453 is about 15209.7814908696. The cubic root of 231337453 is about 613.8778780417.

The spelling of 231337453 in words is "two hundred thirty-one million, three hundred thirty-seven thousand, four hundred fifty-three".