61323523 has 2 divisors, whose sum is σ = 61323524. Its totient is φ = 61323522.

The previous prime is 61323517. The next prime is 61323593. The reversal of 61323523 is 32532316.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61323523 - 2⁹ = 61323011 is a prime.

It is not a weakly prime, because it can be changed into another prime (61323593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30661761 + 30661762.

It is an arithmetic number, because the mean of its divisors is an integer number (30661762).

Almost surely, 2^61323523 is an apocalyptic number.

61323523 is a deficient number, since it is larger than the sum of its proper divisors (1).

61323523 is an equidigital number, since it uses as much as digits as its factorization.

61323523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 25.

The square root of 61323523 is about 7830.9337246589. The cubic root of 61323523 is about 394.3444191316.

Adding to 61323523 its reverse (32532316), we get a palindrome (93855839).

It can be divided in two parts, 61 and 323523, that multiplied together give a triangular number (19734903 = T₆₂₈₂).

The spelling of 61323523 in words is "sixty-one million, three hundred twenty-three thousand, five hundred twenty-three".