37523243 has 2 divisors, whose sum is σ = 37523244. Its totient is φ = 37523242.

The previous prime is 37523231. The next prime is 37523257. The reversal of 37523243 is 34232573.

It is a weak prime.

It is an emirp because it is prime and its reverse (34232573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37523243 - 2²⁰ = 36474667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (37523203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18761621 + 18761622.

It is an arithmetic number, because the mean of its divisors is an integer number (18761622).

Almost surely, 2^37523243 is an apocalyptic number.

37523243 is a deficient number, since it is larger than the sum of its proper divisors (1).

37523243 is an equidigital number, since it uses as much as digits as its factorization.

37523243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 29.

The square root of 37523243 is about 6125.6218459843. The cubic root of 37523243 is about 334.7856146699.

The spelling of 37523243 in words is "thirty-seven million, five hundred twenty-three thousand, two hundred forty-three".