61523420083523 has 2 divisors, whose sum is σ = 61523420083524. Its totient is φ = 61523420083522.

The previous prime is 61523420083493. The next prime is 61523420083577. The reversal of 61523420083523 is 32538002432516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61523420083523 - 2²² = 61523415889219 is a prime.

It is not a weakly prime, because it can be changed into another prime (61523420883523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30761710041761 + 30761710041762.

It is an arithmetic number, because the mean of its divisors is an integer number (30761710041762).

Almost surely, 2^{61523420083523} is an apocalyptic number.

61523420083523 is a deficient number, since it is larger than the sum of its proper divisors (1).

61523420083523 is an equidigital number, since it uses as much as digits as its factorization.

61523420083523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 61523420083523 in words is "sixty-one trillion, five hundred twenty-three billion, four hundred twenty million, eighty-three thousand, five hundred twenty-three".